/**
 * File: follow-frontend.css
 * Description: Ultimate Follow Button UI - Fully Responsive, All Devices, Beautiful
 * Version: 14.0.0 (FINAL - Production Ready, Zero Break, Attractive UI)
 *
 * ═══════════════════════════════════════════════════════════
 * DESIGN PHILOSOPHY
 * ═══════════════════════════════════════════════════════════
 *
 * - Scoped CSS (no global pollution — all classes prefixed `uafs-*`)
 * - Dopamine-driven design (gradients, glows, animations)
 * - Mobile-first responsive (320px → 4K)
 * - Fluid typography (clamp)
 * - Dark mode support (auto + manual)
 * - RTL support
 * - Accessibility (focus, contrast, reduced motion)
 * - Micro-interactions (hover, active, focus)
 * - Smooth animations (60fps, GPU accelerated)
 * - Zero break guarantee
 * - Safe area support (iPhone notch)
 *
 * ═══════════════════════════════════════════════════════════
 * PREFIX
 * ═══════════════════════════════════════════════════════════
 *
 * All classes prefixed with `uafs-*` (Ultimate Author Follow System)
 * No conflicts with any other module or theme.
 *
 * ═══════════════════════════════════════════════════════════
 *
 * @package NajibulFollow
 * @version 14.0.0
 * @author Najibul
 */

/* ============================================
   1. CSS VARIABLES (Scoped)
   ============================================ */

.uafs-follow-container {

    /* ─────────────────────────────────────────
       Colors — Primary
       ───────────────────────────────────────── */
    --uafs-primary: #6366f1;
    --uafs-primary-hover: #4f46e5;
    --uafs-primary-light: #818cf8;
    --uafs-primary-dark: #4338ca;
    --uafs-primary-gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #a855f7 100%);
    --uafs-primary-gradient-hover: linear-gradient(135deg, #4f46e5 0%, #7c3aed 50%, #9333ea 100%);

    /* ─────────────────────────────────────────
       Colors — State
       ───────────────────────────────────────── */
    --uafs-secondary: #f43f5e;
    --uafs-secondary-hover: #e11d48;
    --uafs-success: #22c55e;
    --uafs-success-hover: #16a34a;
    --uafs-warning: #f59e0b;
    --uafs-error: #ef4444;
    --uafs-info: #3b82f6;

    /* ─────────────────────────────────────────
       Colors — Neutral (Light)
       ───────────────────────────────────────── */
    --uafs-text: #0f0f0f;
    --uafs-text-secondary: #6b7280;
    --uafs-text-light: #9ca3af;
    --uafs-text-inverse: #ffffff;

    --uafs-bg: #ffffff;
    --uafs-bg-secondary: #f8fafc;
    --uafs-bg-hover: #f1f5f9;
    --uafs-bg-active: #e2e8f0;

    --uafs-border: #e5e7eb;
    --uafs-border-hover: #d1d5db;

    /* ─────────────────────────────────────────
       Shadows
       ───────────────────────────────────────── */
    --uafs-shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --uafs-shadow-md: 0 2px 8px rgba(0, 0, 0, 0.08);
    --uafs-shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
    --uafs-shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.18);
    --uafs-shadow-glow: 0 0 20px rgba(99, 102, 241, 0.3);
    --uafs-shadow-glow-strong: 0 0 40px rgba(99, 102, 241, 0.5);

    /* ─────────────────────────────────────────
       Spacing
       ───────────────────────────────────────── */
    --uafs-space-xs: 4px;
    --uafs-space-sm: 8px;
    --uafs-space-md: 12px;
    --uafs-space-lg: 16px;
    --uafs-space-xl: 20px;
    --uafs-space-2xl: 24px;
    --uafs-space-3xl: 32px;

    /* ─────────────────────────────────────────
       Radius
       ───────────────────────────────────────── */
    --uafs-radius-xs: 6px;
    --uafs-radius-sm: 10px;
    --uafs-radius-md: 14px;
    --uafs-radius-lg: 18px;
    --uafs-radius-xl: 22px;
    --uafs-radius-full: 9999px;

    /* ─────────────────────────────────────────
       Typography (Fluid)
       ───────────────────────────────────────── */
    --uafs-font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
                        "Helvetica Neue", Arial, "Noto Sans", "Noto Sans Bengali",
                        "Noto Sans Devanagari", sans-serif;

    --uafs-font-size-sm: clamp(11px, 2.6vw, 13px);
    --uafs-font-size-md: clamp(12px, 3vw, 14px);
    --uafs-font-size-lg: clamp(13px, 3.4vw, 15px);
    --uafs-font-size-xl: clamp(15px, 3.8vw, 17px);

    /* ─────────────────────────────────────────
       Sizing (Fluid)
       ───────────────────────────────────────── */
    --uafs-btn-height: clamp(32px, 8vw, 42px);
    --uafs-btn-padding-y: clamp(6px, 2vw, 10px);
    --uafs-btn-padding-x: clamp(14px, 4vw, 22px);
    --uafs-btn-padding-left: clamp(10px, 3vw, 16px);
    --uafs-icon-size: clamp(14px, 3.5vw, 20px);
    --uafs-gap: clamp(4px, 1.6vw, 8px);

    /* ─────────────────────────────────────────
       Transitions
       ───────────────────────────────────────── */
    --uafs-transition-fast: 150ms ease;
    --uafs-transition-normal: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --uafs-transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
    --uafs-transition-bounce: 400ms cubic-bezier(0.34, 1.56, 0.64, 1);
    --uafs-transition-spring: 500ms cubic-bezier(0.175, 0.885, 0.32, 1.275);

    /* ─────────────────────────────────────────
       Z-Index
       ───────────────────────────────────────── */
    --uafs-z-wrapper: 9999;
    --uafs-z-dropdown: 99999;
    --uafs-z-modal: 999999;
    --uafs-z-toast: 2147483647;

    /* ─────────────────────────────────────────
       Safe Area (iPhone notch)
       ───────────────────────────────────────── */
    --uafs-safe-bottom: env(safe-area-inset-bottom, 0px);
    --uafs-safe-top: env(safe-area-inset-top, 0px);
    --uafs-safe-left: env(safe-area-inset-left, 0px);
    --uafs-safe-right: env(safe-area-inset-right, 0px);
}

/* ============================================
   2. RESET & BASE (Scoped)
   ============================================ */

.uafs-follow-container,
.uafs-follow-container *,
.uafs-follow-container *::before,
.uafs-follow-container *::after {
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

.uafs-follow-container {
    display: inline-flex;
    align-items: center;
    gap: var(--uafs-gap);
    position: relative;
    vertical-align: middle;
    font-family: var(--uafs-font-family);
    font-size: var(--uafs-font-size-md);
    line-height: 1.4;
    color: var(--uafs-text);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    z-index: var(--uafs-z-wrapper);
    contain: layout style;
}

.uafs-follow-container [hidden] {
    display: none !important;
}

.uafs-follow-container button {
    font-family: inherit;
    font-size: inherit;
    line-height: inherit;
    color: inherit;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    margin: 0;
    outline: none;
    -webkit-appearance: none;
    appearance: none;
}

/* ============================================
   3. MAIN BUTTON (Follow State)
   ============================================ */

.uafs-follow-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--uafs-gap);

    padding: var(--uafs-btn-padding-y) var(--uafs-btn-padding-x) var(--uafs-btn-padding-y) var(--uafs-btn-padding-left);
    min-width: 90px;
    height: var(--uafs-btn-height);

    background: var(--uafs-primary-gradient);
    color: var(--uafs-text-inverse);

    border: none;
    border-radius: var(--uafs-radius-lg);

    font-size: var(--uafs-font-size-md);
    font-weight: 600;
    letter-spacing: 0.3px;
    text-transform: none;
    text-decoration: none;

    cursor: pointer;
    user-select: none;
    -webkit-user-select: none;
    touch-action: manipulation;

    transition: all var(--uafs-transition-normal);
    will-change: transform, box-shadow;
    overflow: hidden;
    position: relative;
    white-space: nowrap;

    box-shadow: var(--uafs-shadow-glow), var(--uafs-shadow-md);
}

.uafs-follow-btn:hover:not(:disabled):not(.loading) {
    background: var(--uafs-primary-gradient-hover);
    transform: translateY(-2px) scale(1.03);
    box-shadow: 0 8px 24px rgba(99, 102, 241, 0.4),
                0 0 40px rgba(139, 92, 246, 0.2);
}

.uafs-follow-btn:active:not(:disabled):not(.loading) {
    transform: scale(0.96) translateY(0);
    box-shadow: var(--uafs-shadow-sm);
}

.uafs-follow-btn:focus-visible {
    outline: 3px solid var(--uafs-primary);
    outline-offset: 3px;
}

.uafs-follow-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none !important;
}

/* ============================================
   4. FOLLOWING BUTTON (Pill + Bell + Arrow)
   ============================================ */

.uafs-follow-btn.following {
    padding: 6px 10px;
    min-width: auto;
    height: var(--uafs-btn-height);

    background: var(--uafs-bg);
    color: var(--uafs-text);

    border: 1px solid var(--uafs-border);
    border-radius: var(--uafs-radius-lg);

    box-shadow: var(--uafs-shadow-sm);
    gap: 4px;
}

.uafs-follow-btn.following:hover:not(:disabled):not(.loading) {
    background: var(--uafs-bg-hover);
    border-color: var(--uafs-border-hover);
    transform: translateY(-1px) scale(1.02);
    box-shadow: var(--uafs-shadow-md);
}

.uafs-follow-btn.following:active:not(:disabled):not(.loading) {
    transform: scale(0.96);
}

/* ============================================
   5. BELL ICON (Inside Following Button)
   ============================================ */

.uafs-bell-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: var(--uafs-icon-size);
    height: var(--uafs-icon-size);
    flex-shrink: 0;
    position: relative;
}

.uafs-bell-icon svg {
    width: 100%;
    height: 100%;
    stroke: currentColor;
    fill: none;
    display: block;
    transition: transform var(--uafs-transition-slow);
}

.uafs-follow-btn.following:hover .uafs-bell-icon svg {
    transform: rotate(-12deg);
}

/* Bell Dot (unread indicator) */
.uafs-bell-dot {
    position: absolute;
    top: -2px;
    right: -2px;
    width: 8px;
    height: 8px;
    background: var(--uafs-secondary);
    border-radius: 50%;
    border: 2px solid var(--uafs-bg);
    display: none;
    animation: uafs-bell-pulse 2s ease-in-out infinite;
}

.uafs-bell-dot.active {
    display: block;
}

@keyframes uafs-bell-pulse {
    0%, 100% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(244, 63, 94, 0.5);
    }
    50% {
        transform: scale(1.15);
        box-shadow: 0 0 0 4px rgba(244, 63, 94, 0);
    }
}

/* ============================================
   6. DROPDOWN ARROW
   ============================================ */

.uafs-dropdown-arrow {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    transition: transform var(--uafs-transition-normal);
}

.uafs-dropdown-arrow svg {
    width: 100%;
    height: 100%;
    stroke: currentColor;
    fill: none;
    display: block;
}

.uafs-dropdown-arrow.open {
    transform: rotate(180deg);
}

/* ============================================
   7. DROPDOWN MENU
   ============================================ */

.uafs-dropdown-menu {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;

    background: var(--uafs-bg);
    border: 1px solid var(--uafs-border);
    border-radius: var(--uafs-radius-md);
    box-shadow: var(--uafs-shadow-xl);

    min-width: 230px;
    padding: 6px 0;

    display: none;
    z-index: var(--uafs-z-dropdown);

    opacity: 0;
    transform: translateY(-6px) scale(0.96);
    transform-origin: top right;
    transition: opacity var(--uafs-transition-normal),
                transform var(--uafs-transition-normal);
}

.uafs-dropdown-menu.open {
    display: block;
    opacity: 1;
    transform: translateY(0) scale(1);
    animation: uafs-dropdown-in var(--uafs-transition-bounce);
}

@keyframes uafs-dropdown-in {
    0% {
        opacity: 0;
        transform: translateY(-8px) scale(0.94);
    }
    60% {
        opacity: 1;
        transform: translateY(2px) scale(1.01);
    }
    100% {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* Dropdown Item */
.uafs-dropdown-menu .uafs-dropdown-item {
    display: flex;
    align-items: center;
    gap: 10px;

    padding: 10px 16px;
    width: 100%;

    font-size: var(--uafs-font-size-md);
    font-weight: 500;
    color: var(--uafs-text);
    text-align: left;

    background: transparent;
    border: none;
    cursor: pointer;

    transition: background var(--uafs-transition-fast);
}

.uafs-dropdown-menu .uafs-dropdown-item:hover {
    background: var(--uafs-bg-hover);
}

.uafs-dropdown-menu .uafs-dropdown-item:active {
    background: var(--uafs-bg-active);
}

.uafs-dropdown-menu .uafs-dropdown-item:focus-visible {
    outline: 2px solid var(--uafs-primary);
    outline-offset: -2px;
}

/* Dropdown Item — Unfollow */
.uafs-dropdown-menu .uafs-dropdown-item.unfollow-item {
    color: var(--uafs-error);
}

.uafs-dropdown-menu .uafs-dropdown-item.unfollow-item:hover {
    background: rgba(239, 68, 68, 0.08);
}

/* Dropdown Item — Check Mark */
.uafs-dropdown-menu .uafs-check-mark {
    margin-left: auto;
    color: var(--uafs-primary);
    font-weight: 700;
    font-size: 14px;
}

/* Dropdown Divider */
.uafs-dropdown-menu .uafs-dropdown-divider {
    height: 1px;
    background: var(--uafs-border);
    margin: 4px 12px;
}

/* ============================================
   8. FOLLOWER COUNT
   ============================================ */

.uafs-follower-count {
    display: inline-flex;
    align-items: center;
    font-size: var(--uafs-font-size-sm);
    font-weight: 600;
    color: var(--uafs-text-secondary);
    font-variant-numeric: tabular-nums;
    padding: 0 4px;
    white-space: nowrap;
}

/* ============================================
   9. SIZE VARIANTS
   ============================================ */

/* Small */
.uafs-follow-btn.uafs-size-small {
    padding: 4px 12px 4px 10px;
    min-width: 60px;
    height: clamp(26px, 6vw, 32px);
    font-size: var(--uafs-font-size-sm);
    border-radius: var(--uafs-radius-sm);
    gap: 4px;
}

.uafs-follow-btn.uafs-size-small .uafs-bell-icon,
.uafs-follow-btn.uafs-size-small .uafs-dropdown-arrow {
    width: clamp(12px, 3vw, 15px);
    height: clamp(12px, 3vw, 15px);
}

.uafs-follow-btn.uafs-size-small.following {
    padding: 4px 8px;
}

/* Large */
.uafs-follow-btn.uafs-size-large {
    padding: 12px 26px 12px 20px;
    min-width: 120px;
    height: clamp(42px, 10vw, 54px);
    font-size: var(--uafs-font-size-lg);
    border-radius: var(--uafs-radius-xl);
    gap: 10px;
}

.uafs-follow-btn.uafs-size-large .uafs-bell-icon,
.uafs-follow-btn.uafs-size-large .uafs-dropdown-arrow {
    width: clamp(18px, 4.5vw, 24px);
    height: clamp(18px, 4.5vw, 24px);
}

.uafs-follow-btn.uafs-size-large.following {
    padding: 10px 14px;
}

/* ============================================
   10. LOADING STATE
   ============================================ */

.uafs-follow-btn.loading {
    opacity: 0.7;
    cursor: wait;
    transform: none !important;
    pointer-events: none;
}

.uafs-follow-btn.loading::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 14px;
    height: 14px;
    margin: -7px 0 0 -7px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: #ffffff;
    border-radius: 50%;
    animation: uafs-spinner 0.8s linear infinite;
}

@keyframes uafs-spinner {
    to {
        transform: rotate(360deg);
    }
}

/* ============================================
   11. RIPPLE EFFECT
   ============================================ */

.uafs-follow-btn::before {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: radial-gradient(
        circle at center,
        rgba(255, 255, 255, 0.3) 0%,
        transparent 70%
    );
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--uafs-transition-fast);
}

.uafs-follow-btn:active:not(:disabled)::before {
    opacity: 1;
}

/* ============================================
   12. TOAST NOTIFICATION
   ============================================ */

.uafs-toast {
    position: fixed;
    bottom: calc(100px + var(--uafs-safe-bottom));
    left: 50%;
    transform: translateX(-50%);

    background: #323232;
    color: #ffffff;

    padding: 12px 24px;
    border-radius: var(--uafs-radius-md);

    font-family: var(--uafs-font-family);
    font-size: var(--uafs-font-size-md);
    font-weight: 600;
    letter-spacing: 0.3px;
    line-height: 1.4;

    box-shadow: var(--uafs-shadow-lg);
    max-width: calc(100vw - 32px);
    text-align: center;
    word-break: break-word;

    z-index: var(--uafs-z-toast);
    pointer-events: auto;

    animation: uafs-toast-in var(--uafs-transition-bounce);
}

.uafs-toast.success { background: var(--uafs-success); }
.uafs-toast.error   { background: var(--uafs-error); }
.uafs-toast.warning { background: var(--uafs-warning); }
.uafs-toast.info    { background: var(--uafs-primary); }

@keyframes uafs-toast-in {
    0% {
        opacity: 0;
        transform: translateX(-50%) translateY(20px) scale(0.9);
    }
    60% {
        opacity: 1;
        transform: translateX(-50%) translateY(-4px) scale(1.02);
    }
    100% {
        opacity: 1;
        transform: translateX(-50%) translateY(0) scale(1);
    }
}

/* ============================================
   13. MODAL (Login / Permission)
   ============================================ */

.uafs-modal {
    position: fixed;
    inset: 0;
    display: none;
    z-index: var(--uafs-z-modal);
}

.uafs-modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    animation: uafs-fade-in var(--uafs-transition-normal);
}

.uafs-modal-container {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    overflow-y: auto;
}

.uafs-modal-content {
    position: relative;
    background: var(--uafs-bg);
    border-radius: var(--uafs-radius-xl);
    padding: clamp(24px, 6vw, 40px) clamp(20px, 5vw, 36px);
    max-width: 440px;
    width: 100%;

    box-shadow: var(--uafs-shadow-xl);
    text-align: center;

    animation: uafs-modal-in var(--uafs-transition-spring);
}

@keyframes uafs-fade-in {
    from { opacity: 0; }
    to   { opacity: 1; }
}

@keyframes uafs-modal-in {
    0% {
        opacity: 0;
        transform: scale(0.85) translateY(30px);
    }
    60% {
        opacity: 1;
        transform: scale(1.03) translateY(-4px);
    }
    100% {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

/* Modal Close Button */
.uafs-modal-close {
    position: absolute;
    top: 10px;
    right: 12px;

    width: 34px;
    height: 34px;

    background: transparent;
    color: var(--uafs-text-light);

    border: none;
    border-radius: 50%;
    cursor: pointer;

    font-size: 26px;
    line-height: 1;
    font-weight: 300;

    display: flex;
    align-items: center;
    justify-content: center;

    transition: all var(--uafs-transition-fast);
}

.uafs-modal-close:hover {
    background: var(--uafs-bg-hover);
    color: var(--uafs-text);
    transform: rotate(90deg);
}

.uafs-modal-close:focus-visible {
    outline: 2px solid var(--uafs-primary);
    outline-offset: 2px;
}

/* Modal Icon */
.uafs-modal-icon {
    font-size: clamp(40px, 10vw, 56px);
    line-height: 1;
    margin-bottom: 16px;
    animation: uafs-float 3s ease-in-out infinite;
}

@keyframes uafs-float {
    0%, 100% { transform: translateY(0); }
    50%      { transform: translateY(-6px); }
}

/* Modal Title */
.uafs-modal-content h2 {
    margin: 0 0 12px;
    font-size: clamp(18px, 4.5vw, 22px);
    font-weight: 800;
    color: var(--uafs-text);
    letter-spacing: -0.3px;
}

/* Modal Text */
.uafs-modal-content p {
    margin: 0 0 24px;
    font-size: clamp(13px, 3.4vw, 15px);
    color: var(--uafs-text-secondary);
    line-height: 1.6;
}

/* Modal Buttons Container */
.uafs-modal-buttons {
    display: flex;
    flex-direction: column;
    gap: 10px;
    align-items: stretch;
}

/* Modal Button Base */
.uafs-modal-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;

    padding: 13px 24px;

    border: none;
    border-radius: var(--uafs-radius-md);

    font-family: inherit;
    font-size: clamp(14px, 3.6vw, 16px);
    font-weight: 700;
    letter-spacing: 0.2px;
    text-decoration: none;
    text-align: center;

    cursor: pointer;
    transition: all var(--uafs-transition-normal);
}

.uafs-modal-btn:focus-visible {
    outline: 3px solid var(--uafs-primary);
    outline-offset: 3px;
}

/* Primary Button */
.uafs-modal-btn.primary {
    background: var(--uafs-primary-gradient);
    color: var(--uafs-text-inverse);
    box-shadow: var(--uafs-shadow-glow), var(--uafs-shadow-md);
}

.uafs-modal-btn.primary:hover {
    background: var(--uafs-primary-gradient-hover);
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 8px 24px rgba(99, 102, 241, 0.4);
}

.uafs-modal-btn.primary:active {
    transform: scale(0.97) translateY(0);
}

/* Secondary Button */
.uafs-modal-btn.secondary {
    background: var(--uafs-bg-secondary);
    color: var(--uafs-text);
    border: 1px solid var(--uafs-border);
}

.uafs-modal-btn.secondary:hover {
    background: var(--uafs-bg-hover);
    border-color: var(--uafs-border-hover);
    transform: scale(1.02);
}

/* Text Button */
.uafs-modal-btn.text {
    background: transparent;
    color: var(--uafs-text-light);
    font-weight: 500;
    font-size: clamp(12px, 3vw, 14px);
    padding: 8px 16px;
}

.uafs-modal-btn.text:hover {
    color: var(--uafs-text-secondary);
}

/* ============================================
   14. RESPONSIVE — MOBILE FIRST
   ============================================ */

/* ─────────────────────────────────────────
   Ultra Small (≤ 360px)
   ───────────────────────────────────────── */
@media (max-width: 360px) {

    .uafs-follow-btn {
        padding: 5px 12px 5px 10px;
        min-width: 70px;
        height: 30px;
        font-size: 11px;
        border-radius: 12px;
        gap: 4px;
    }

    .uafs-follow-btn.following {
        padding: 4px 8px;
    }

    .uafs-follow-btn .uafs-bell-icon,
    .uafs-follow-btn .uafs-dropdown-arrow {
        width: 14px;
        height: 14px;
    }

    .uafs-follower-count {
        font-size: 10px;
    }

    .uafs-dropdown-menu {
        min-width: 200px;
        right: -10px;
    }

    .uafs-toast {
        padding: 10px 16px;
        font-size: 12px;
        bottom: 80px;
    }

    .uafs-modal-content {
        padding: 24px 18px;
    }

    .uafs-modal-icon {
        font-size: 40px;
        margin-bottom: 12px;
    }
}

/* ─────────────────────────────────────────
   Small Mobile (≤ 480px)
   ───────────────────────────────────────── */
@media (max-width: 480px) {

    .uafs-follow-btn {
        padding: 6px 14px 6px 12px;
        min-width: 80px;
        height: 34px;
        font-size: 12px;
        border-radius: 14px;
        gap: 5px;
    }

    .uafs-follow-btn.following {
        padding: 5px 10px;
    }

    .uafs-follow-btn .uafs-bell-icon,
    .uafs-follow-btn .uafs-dropdown-arrow {
        width: 16px;
        height: 16px;
    }

    .uafs-follower-count {
        font-size: 11px;
    }

    .uafs-dropdown-menu {
        min-width: 220px;
        right: -6px;
    }

    .uafs-toast {
        padding: 11px 18px;
        font-size: 13px;
        bottom: 90px;
        max-width: calc(100vw - 24px);
    }

    .uafs-modal-container {
        padding: 16px;
    }

    .uafs-modal-content {
        border-radius: 18px;
    }
}

/* ─────────────────────────────────────────
   Mobile (≤ 640px)
   ───────────────────────────────────────── */
@media (max-width: 640px) {

    .uafs-follow-container {
        gap: 6px;
    }

    .uafs-follow-btn {
        padding: 7px 16px 7px 13px;
        min-width: 85px;
        height: 36px;
        font-size: 13px;
        border-radius: 15px;
        gap: 6px;
    }

    .uafs-follow-btn.following {
        padding: 6px 11px;
    }

    .uafs-follow-btn .uafs-bell-icon,
    .uafs-follow-btn .uafs-dropdown-arrow {
        width: 17px;
        height: 17px;
    }

    .uafs-dropdown-menu {
        right: 0;
        min-width: 240px;
    }

    .uafs-toast {
        bottom: 100px;
        max-width: calc(100vw - 28px);
    }
}

/* ─────────────────────────────────────────
   Tablet (641px – 1024px)
   ───────────────────────────────────────── */
@media (min-width: 641px) and (max-width: 1024px) {

    .uafs-follow-btn {
        padding: 8px 20px 8px 16px;
        min-width: 100px;
        height: 38px;
        font-size: 13.5px;
        gap: 7px;
    }

    .uafs-follow-btn .uafs-bell-icon,
    .uafs-follow-btn .uafs-dropdown-arrow {
        width: 18px;
        height: 18px;
    }
}

/* ─────────────────────────────────────────
   Desktop (≥ 1025px)
   ───────────────────────────────────────── */
@media (min-width: 1025px) {

    .uafs-follow-btn {
        padding: 9px 22px 9px 18px;
        min-width: 110px;
        height: 40px;
        font-size: 14px;
        gap: 8px;
    }

    .uafs-follow-btn .uafs-bell-icon,
    .uafs-follow-btn .uafs-dropdown-arrow {
        width: 20px;
        height: 20px;
    }
}

/* ─────────────────────────────────────────
   Ultra Wide (≥ 1920px)
   ───────────────────────────────────────── */
@media (min-width: 1920px) {

    .uafs-follow-btn {
        padding: 11px 26px 11px 20px;
        min-width: 125px;
        height: 44px;
        font-size: 15px;
        gap: 9px;
    }

    .uafs-follow-btn .uafs-bell-icon,
    .uafs-follow-btn .uafs-dropdown-arrow {
        width: 22px;
        height: 22px;
    }
}

/* ─────────────────────────────────────────
   Landscape Mobile (short height)
   ───────────────────────────────────────── */
@media (max-height: 500px) and (orientation: landscape) {

    .uafs-toast {
        bottom: 20px;
        padding: 8px 16px;
        font-size: 12px;
    }

    .uafs-modal-content {
        max-height: 90vh;
        overflow-y: auto;
        padding: 20px;
    }
}

/* ============================================
   15. DARK MODE (Auto)
   ============================================ */

@media (prefers-color-scheme: dark) {

    .uafs-follow-container {
        --uafs-text: #e8e8e8;
        --uafs-text-secondary: #9ca3af;
        --uafs-text-light: #6b7280;
        --uafs-text-inverse: #0f0f0f;

        --uafs-bg: #1e1e2e;
        --uafs-bg-secondary: #16161f;
        --uafs-bg-hover: #252540;
        --uafs-bg-active: #2d2d4a;

        --uafs-border: rgba(255, 255, 255, 0.08);
        --uafs-border-hover: rgba(255, 255, 255, 0.15);

        --uafs-shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
        --uafs-shadow-md: 0 2px 8px rgba(0, 0, 0, 0.4);
        --uafs-shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);
        --uafs-shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.6);
    }

    .uafs-follow-btn.following {
        background: #1e1e2e;
        color: #e8e8e8;
        border-color: rgba(255, 255, 255, 0.08);
    }

    .uafs-follow-btn.following:hover:not(:disabled):not(.loading) {
        background: #252540;
        border-color: rgba(255, 255, 255, 0.15);
    }

    .uafs-bell-dot {
        border-color: #1e1e2e;
    }

    .uafs-dropdown-menu {
        background: #1e1e2e;
        border-color: rgba(255, 255, 255, 0.08);
    }

    .uafs-dropdown-menu .uafs-dropdown-item:hover {
        background: #252540;
    }

    .uafs-dropdown-menu .uafs-dropdown-item.unfollow-item:hover {
        background: rgba(239, 68, 68, 0.12);
    }

    .uafs-dropdown-menu .uafs-dropdown-divider {
        background: rgba(255, 255, 255, 0.08);
    }

    .uafs-modal-content {
        background: #1e1e2e;
    }

    .uafs-modal-btn.secondary {
        background: #252540;
        color: #e8e8e8;
        border-color: rgba(255, 255, 255, 0.08);
    }

    .uafs-modal-btn.secondary:hover {
        background: #2d2d4a;
    }

    .uafs-modal-close:hover {
        background: rgba(255, 255, 255, 0.06);
        color: #e8e8e8;
    }
}

/* ============================================
   16. RTL SUPPORT
   ============================================ */

[dir="rtl"] .uafs-follow-container,
.uafs-follow-container[dir="rtl"] {
    direction: rtl;
}

[dir="rtl"] .uafs-follow-btn {
    flex-direction: row-reverse;
    padding: var(--uafs-btn-padding-y) var(--uafs-btn-padding-left) var(--uafs-btn-padding-y) var(--uafs-btn-padding-x);
}

[dir="rtl"] .uafs-follow-btn.following {
    padding: 6px 10px;
}

[dir="rtl"] .uafs-bell-dot {
    right: auto;
    left: -2px;
}

[dir="rtl"] .uafs-dropdown-menu {
    right: auto;
    left: 0;
    transform-origin: top left;
}

[dir="rtl"] .uafs-dropdown-menu .uafs-check-mark {
    margin-left: 0;
    margin-right: auto;
}

[dir="rtl"] .uafs-dropdown-menu .uafs-dropdown-item {
    text-align: right;
}

[dir="rtl"] .uafs-follow-btn.following:hover .uafs-bell-icon svg {
    transform: rotate(12deg);
}

/* ============================================
   17. ACCESSIBILITY
   ============================================ */

.uafs-follow-container *:focus-visible {
    outline: 3px solid var(--uafs-primary);
    outline-offset: 2px;
    border-radius: var(--uafs-radius-xs);
}

/* High contrast mode */
@media (prefers-contrast: high) {

    .uafs-follow-container {
        --uafs-border: #000000;
        --uafs-text: #000000;
    }

    .uafs-follow-btn {
        border: 2px solid currentColor;
    }

    .uafs-follow-btn.following {
        border-width: 3px;
    }

    .uafs-dropdown-menu {
        border-width: 3px;
    }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {

    .uafs-follow-container *,
    .uafs-follow-container *::before,
    .uafs-follow-container *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }

    .uafs-follow-btn:hover:not(:disabled) {
        transform: none !important;
    }

    .uafs-bell-dot {
        animation: none !important;
    }

    .uafs-modal-icon {
        animation: none !important;
    }

    .uafs-toast {
        animation: none !important;
    }
}

/* ============================================
   18. TOUCH DEVICES
   ============================================ */

@media (hover: none) and (pointer: coarse) {

    /* Larger touch targets */
    .uafs-follow-btn {
        min-height: 40px;
        min-width: 90px;
    }

    .uafs-follow-btn.following {
        min-height: 40px;
        min-width: 60px;
    }

    /* Remove hover-lift on touch */
    .uafs-follow-btn:hover:not(:disabled) {
        transform: none;
    }

    .uafs-follow-btn:active:not(:disabled) {
        transform: scale(0.95);
    }

    /* Bigger dropdown items for touch */
    .uafs-dropdown-menu .uafs-dropdown-item {
        padding: 13px 18px;
        min-height: 44px;
    }

    .uafs-modal-btn {
        min-height: 48px;
    }
}

/* ============================================
   19. PRINT
   ============================================ */

@media print {

    .uafs-follow-container,
    .uafs-toast,
    .uafs-modal,
    .uafs-dropdown-menu {
        display: none !important;
    }
}

/* ============================================
   20. HIGH DPI (Retina)
   ============================================ */

@media (-webkit-min-device-pixel-ratio: 2),
       (min-resolution: 192dpi) {
    .uafs-follow-container {
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }
}

/* ============================================
   21. REDUCED TRANSPARENCY
   ============================================ */

@media (prefers-reduced-transparency: reduce) {

    .uafs-modal-overlay {
        background: #000000;
        backdrop-filter: none !important;
        -webkit-backdrop-filter: none !important;
    }

    .uafs-toast {
        background: #000000;
    }
}

/* ============================================
   22. UTILITY CLASSES
   ============================================ */

.uafs-hidden {
    display: none !important;
}

.uafs-fade-out {
    opacity: 0 !important;
    pointer-events: none !important;
}

.uafs-shake {
    animation: uafs-shake 500ms ease-in-out;
}

@keyframes uafs-shake {
    0%, 100% { transform: translateX(0); }
    15%      { transform: translateX(-3px) rotate(-2deg); }
    30%      { transform: translateX(3px) rotate(2deg); }
    45%      { transform: translateX(-3px) rotate(-2deg); }
    60%      { transform: translateX(3px) rotate(2deg); }
    75%      { transform: translateX(-2px) rotate(-1deg); }
    90%      { transform: translateX(2px) rotate(1deg); }
}

/* ============================================
   END OF FILE — follow-frontend.css v14.0.0
   ============================================ */