/* ============================================================
   GLOBAL.CSS — COMPLETE WITH ALL FEATURES
   (Dark/Light Mode, Loading, Progress, Social, WhatsApp, Cursor, Trail, Bubbles, Quick Tools, Profile Card, Popup)
   ============================================================ */

/* ============================================================
   ROOT VARIABLES (Light / Dark)
   ============================================================ */
:root {
    /* Light Mode (Default) */
    --bg-primary: #f5f0eb;
    --bg-secondary: #ffffff;
    --bg-tertiary: #f0ece6;
    --bg-input: rgba(0, 0, 0, 0.04);
    --border-color: rgba(0, 0, 0, 0.1);
    --text-primary: #1a1a1a;
    --text-secondary: #555;
    --text-muted: #999;
    --primary: #0984e3;
    --secondary: #00b894;
    --accent: #6c5ce7;
    --gradient-bot: linear-gradient(135deg, var(--primary), var(--secondary));
    --gradient-user: linear-gradient(135deg, var(--accent), var(--primary));
    --gradient-text: linear-gradient(135deg, #0984e3, #6c5ce7);
    --shadow: 0 8px 40px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 16px 56px rgba(0, 0, 0, 0.15);
    --radius: 16px;
    --radius-sm: 10px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --toggle-bg: rgba(0, 0, 0, 0.05);
    --toggle-border: rgba(0, 0, 0, 0.15);
    --toggle-text: #555;
    --quick-btn-bg: rgba(0, 0, 0, 0.05);
    --quick-btn-hover: rgba(9, 132, 227, 0.1);
    --font: 'Space Grotesk', sans-serif;
}

[data-theme="dark"] {
    --bg-primary: #0a0a0f;
    --bg-secondary: #13131a;
    --bg-tertiary: #1a1a2e;
    --bg-input: rgba(255, 255, 255, 0.04);
    --border-color: rgba(255, 255, 255, 0.08);
    --text-primary: #f0f0f5;
    --text-secondary: #a0a0b0;
    --text-muted: #6a6a7a;
    --primary: #00d9ff;
    --secondary: #00ff88;
    --accent: #7c3aed;
    --gradient-text: linear-gradient(135deg, #00d9ff, #7c3aed);
    --shadow: 0 8px 40px rgba(0, 217, 255, 0.15);
    --shadow-hover: 0 16px 56px rgba(0, 217, 255, 0.25);
    --toggle-bg: rgba(255, 255, 255, 0.05);
    --toggle-border: rgba(255, 255, 255, 0.15);
    --toggle-text: #a0a0b0;
    --quick-btn-bg: rgba(255, 255, 255, 0.06);
    --quick-btn-hover: rgba(0, 217, 255, 0.15);
}

/* ============================================================
   RESET & BASE
   ============================================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font);
    background: var(--bg-primary);
    color: var(--text-primary);
    transition: background var(--transition), color var(--transition);
    -webkit-font-smoothing: antialiased;
    position: relative;
    z-index: 1;
    cursor: none;
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--secondary);
}

img {
    max-width: 100%;
    display: block;
}

/* ============================================================
   CUSTOM SCROLLBAR
   ============================================================ */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--primary);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--secondary);
}

/* ============================================================
   THEME TOGGLE (Fixed Position)
   ============================================================ */
.theme-toggle-wrapper {
    position: fixed;
    top: 20px;
    right: 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    z-index: 9999;
    background: var(--bg-secondary);
    padding: 8px 16px 8px 20px;
    border-radius: 50px;
    border: 1px solid var(--toggle-border);
    box-shadow: var(--shadow);
    transition: all var(--transition);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

#themeLabel {
    font-size: 13px;
    font-weight: 500;
    color: var(--toggle-text);
    transition: color var(--transition);
    min-width: 42px;
}

.switch {
    position: relative;
    width: 50px;
    height: 26px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 4px;
    background: var(--toggle-bg);
    border-radius: 30px;
    border: 2px solid var(--toggle-border);
    transition: all var(--transition);
    flex-shrink: 0;
}

.switch .slider {
    position: absolute;
    top: 2px;
    left: 2px;
    width: 18px;
    height: 18px;
    background: var(--primary);
    border-radius: 50%;
    transition: all var(--transition);
    box-shadow: 0 2px 8px rgba(9, 132, 227, 0.3);
}

[data-theme="dark"] .switch .slider {
    left: 26px;
    background: var(--primary);
    box-shadow: 0 2px 8px rgba(0, 217, 255, 0.3);
}

[data-theme="dark"] .switch {
    border-color: var(--primary);
}

.switch .switch-icon {
    font-size: 13px;
    line-height: 1;
    z-index: 1;
    transition: opacity var(--transition);
}

.switch .sun { opacity: 1; }
.switch .moon { opacity: 0.3; }

[data-theme="dark"] .switch .sun { opacity: 0.3; }
[data-theme="dark"] .switch .moon { opacity: 1; }

/* ============================================================
   BUTTONS (Global)
   ============================================================ */
.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 15px;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
    background: transparent;
    font-family: var(--font);
}

.btn-primary {
    background: var(--primary);
    color: #fff;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(9, 132, 227, 0.3);
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--border-color);
}

.btn-outline:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.btn-sm {
    padding: 8px 16px;
    font-size: 13px;
}

/* ============================================================
   GLASSMORPHISM CARDS (Professional)
   ============================================================ */
.glass-card {
    background: rgba(255, 255, 255, 0.06);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    transition: all 0.4s ease;
}

.glass-card:hover {
    transform: translateY(-6px) scale(1.01);
    box-shadow: var(--shadow-hover);
    border-color: var(--primary);
}

[data-theme="dark"] .glass-card {
    background: rgba(255, 255, 255, 0.04);
    border-color: rgba(255, 255, 255, 0.06);
}

[data-theme="dark"] .glass-card:hover {
    border-color: var(--primary);
}

/* ============================================================
   GRADIENT TEXT (Headings)
   ============================================================ */
.gradient-text {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-block;
}

h1.gradient-text,
h2.gradient-text,
h3.gradient-text,
.section-header h2 {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-block;
}

/* ============================================================
   HOVER 3D LIFT EFFECT (Cards)
   ============================================================ */
.hover-lift {
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.hover-lift:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--shadow-hover);
}

/* ============================================================
   LOADING SCREEN
   ============================================================ */
#loader {
    position: fixed;
    inset: 0;
    background: var(--bg-primary);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 999999;
    transition: opacity 0.6s ease, visibility 0.6s ease;
}

#loader.fade-out {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.spinner {
    width: 56px;
    height: 56px;
    border: 4px solid var(--border-color);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.loader-text {
    margin-top: 20px;
    font-size: 16px;
    color: var(--text-secondary);
    font-weight: 500;
    letter-spacing: 2px;
    animation: pulse-text 1.5s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

@keyframes pulse-text {
    0%, 100% { opacity: 0.6; }
    50% { opacity: 1; }
}

/* ============================================================
   READING PROGRESS BAR
   ============================================================ */
#progress-bar {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    background: var(--gradient-text);
    z-index: 99998;
    width: 0%;
    transition: width 0.1s ease;
    box-shadow: 0 0 20px rgba(9, 132, 227, 0.3);
}

[data-theme="dark"] #progress-bar {
    box-shadow: 0 0 20px rgba(0, 217, 255, 0.3);
}

/* ============================================================
   FLOATING SOCIAL ICONS (Left Side)
   ============================================================ */
.floating-socials {
    position: fixed;
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: 12px;
    z-index: 9997;
}

.floating-socials a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 18px;
    transition: all 0.3s ease;
    box-shadow: var(--shadow);
}

.floating-socials a:hover {
    background: var(--primary);
    color: #fff;
    transform: scale(1.12) translateX(4px);
    border-color: var(--primary);
    box-shadow: 0 8px 24px rgba(9, 132, 227, 0.3);
}

[data-theme="dark"] .floating-socials a:hover {
    box-shadow: 0 8px 24px rgba(0, 217, 255, 0.3);
}

/* ============================================================
   FLOATING WHATSAPP BUTTON (Right Side)
   ============================================================ */
.floating-whatsapp {
    position: fixed;
    bottom: 120px;
    right: 24px;
    z-index: 9997;
}

.floating-whatsapp a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: #25D366;
    color: #fff;
    font-size: 28px;
    box-shadow: 0 4px 24px rgba(37, 211, 102, 0.4);
    transition: all 0.3s ease;
}

.floating-whatsapp a:hover {
    transform: scale(1.1) rotate(-5deg);
    box-shadow: 0 8px 32px rgba(37, 211, 102, 0.6);
}

/* ============================================================
   CUSTOM CURSOR
   ============================================================ */
.custom-cursor {
    position: fixed;
    width: 20px;
    height: 20px;
    border: 2px solid var(--primary);
    border-radius: 50%;
    pointer-events: none;
    z-index: 99999;
    transition: transform 0.08s ease, width 0.2s ease, height 0.2s ease;
    transform: translate(-50%, -50%);
}

.custom-cursor.hover {
    width: 36px;
    height: 36px;
    background: rgba(9, 132, 227, 0.1);
}

[data-theme="dark"] .custom-cursor.hover {
    background: rgba(0, 217, 255, 0.1);
}

/* ============================================================
   MOUSE TRAIL
   ============================================================ */
.trail-dot {
    position: fixed;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--primary);
    pointer-events: none;
    z-index: 99998;
    opacity: 0.4;
    transition: opacity 0.5s ease;
}

/* ============================================================
   FLOATING BUBBLES
   ============================================================ */
.bubble {
    position: fixed;
    border-radius: 50%;
    background: var(--primary);
    opacity: 0.06;
    pointer-events: none;
    z-index: 0;
    animation: floatBubble linear infinite;
}

[data-theme="dark"] .bubble {
    opacity: 0.08;
}

@keyframes floatBubble {
    0% {
        transform: translateY(100vh) scale(0);
        opacity: 0;
    }
    10% {
        opacity: 0.06;
    }
    90% {
        opacity: 0.06;
    }
    100% {
        transform: translateY(-10vh) scale(1);
        opacity: 0;
    }
}

/* ============================================================
   SCROLL TO TOP BUTTON
   ============================================================ */
#scrollTopBtn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: none;
    background: var(--primary);
    color: #fff;
    font-size: 22px;
    cursor: pointer;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    z-index: 9996;
}

#scrollTopBtn.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

#scrollTopBtn:hover {
    transform: scale(1.08);
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] #scrollTopBtn {
    box-shadow: 0 4px 16px rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] #scrollTopBtn:hover {
    box-shadow: 0 6px 24px rgba(255, 255, 255, 0.2);
}

/* ============================================================
   TOAST NOTIFICATION
   ============================================================ */
.toast {
    position: fixed;
    bottom: 100px;
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 12px 24px;
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
    z-index: 10001;
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s ease;
    box-shadow: var(--shadow);
    font-family: var(--font);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    max-width: 90%;
    text-align: center;
}

.toast.show {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.toast.success {
    border-color: #4caf50;
    color: #4caf50;
}

.toast.error {
    border-color: #f44336;
    color: #f44336;
}

.toast.info {
    border-color: var(--primary);
    color: var(--primary);
}

.toast.warning {
    border-color: #ff9800;
    color: #ff9800;
}

/* ============================================================
   QUICK TOOLS PANEL (Command Palette)
   ============================================================ */
#quick-tools-toggle {
    position: fixed;
    bottom: 30px;
    right: 100px;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: none;
    background: var(--gradient-text);
    color: #fff;
    font-size: 22px;
    cursor: pointer;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
    z-index: 9998;
    display: flex;
    align-items: center;
    justify-content: center;
}

#quick-tools-toggle:hover {
    transform: scale(1.08) rotate(90deg);
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.3);
}

#quick-tools-panel {
    position: fixed;
    bottom: 90px;
    right: 30px;
    width: 280px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    box-shadow: var(--shadow-hover);
    padding: 20px;
    z-index: 9998;
    display: none;
    animation: slideUp 0.3s ease;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

#quick-tools-panel.active {
    display: block;
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(20px) scale(0.95); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

.tool-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.2s ease;
    color: var(--text-primary);
    text-decoration: none;
}

.tool-item:hover {
    background: var(--quick-btn-hover);
    transform: translateX(4px);
}

.tool-item .icon {
    font-size: 18px;
    width: 28px;
    text-align: center;
}

.tool-item .label {
    font-size: 14px;
    font-weight: 500;
}

.tool-divider {
    height: 1px;
    background: var(--border-color);
    margin: 8px 0;
}

/* ============================================================
   DYNAMIC PROFILE CARD
   ============================================================ */
#profile-card {
    position: fixed;
    bottom: 150px;
    left: 20px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 16px 20px;
    box-shadow: var(--shadow-hover);
    z-index: 9997;
    max-width: 220px;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    transition: all 0.3s ease;
}

#profile-card .name {
    font-weight: 700;
    font-size: 16px;
    color: var(--text-primary);
}

#profile-card .bio {
    font-size: 12px;
    color: var(--text-secondary);
    margin: 4px 0;
    line-height: 1.4;
}

#profile-card .status {
    font-size: 11px;
    color: var(--primary);
    font-weight: 500;
    display: inline-block;
    background: var(--quick-btn-bg);
    padding: 2px 10px;
    border-radius: 20px;
    margin-top: 4px;
}

/* ============================================================
   SOCIAL PROOF POPUP
   ============================================================ */
#social-popup {
    position: fixed;
    bottom: 100px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 16px 24px;
    box-shadow: var(--shadow-hover);
    z-index: 9999;
    max-width: 400px;
    width: 90%;
    display: none;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    animation: popIn 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

#social-popup.active {
    display: block;
}

@keyframes popIn {
    from { opacity: 0; transform: translateX(-50%) scale(0.8) translateY(20px); }
    to { opacity: 1; transform: translateX(-50%) scale(1) translateY(0); }
}

.popup-content {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.popup-content .message {
    font-size: 14px;
    color: var(--text-primary);
    line-height: 1.5;
}

.popup-content .sub-message {
    font-size: 13px;
    color: var(--text-secondary);
}

.popup-actions {
    display: flex;
    gap: 10px;
    margin-top: 8px;
    flex-wrap: wrap;
}

.popup-actions .btn {
    padding: 6px 16px;
    font-size: 12px;
}

.popup-close {
    position: absolute;
    top: 8px;
    right: 12px;
    background: none;
    border: none;
    font-size: 18px;
    color: var(--text-muted);
    cursor: pointer;
    transition: all 0.2s ease;
}

.popup-close:hover {
    color: var(--primary);
    transform: rotate(90deg);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 500px) {
    .theme-toggle-wrapper {
        top: 10px;
        right: 10px;
        padding: 4px 10px 4px 14px;
        gap: 6px;
    }

    #themeLabel {
        font-size: 10px;
        min-width: 28px;
    }

    .switch {
        width: 36px;
        height: 20px;
    }

    .switch .slider {
        width: 12px;
        height: 12px;
        top: 2px;
        left: 2px;
    }

    [data-theme="dark"] .switch .slider {
        left: 18px;
    }

    .switch .switch-icon {
        font-size: 9px;
    }

    .floating-socials {
        left: 10px;
    }

    .floating-socials a {
        width: 36px;
        height: 36px;
        font-size: 14px;
    }

    .floating-whatsapp {
        bottom: 100px;
        right: 14px;
    }

    .floating-whatsapp a {
        width: 48px;
        height: 48px;
        font-size: 24px;
    }

    #scrollTopBtn {
        width: 40px;
        height: 40px;
        font-size: 18px;
        bottom: 20px;
        right: 20px;
    }

    #quick-tools-toggle {
        bottom: 20px;
        right: 80px;
        width: 40px;
        height: 40px;
        font-size: 18px;
    }

    #quick-tools-panel {
        bottom: 72px;
        right: 10px;
        width: 240px;
        padding: 16px;
    }

    #profile-card {
        display: none;
    }

    #social-popup {
        bottom: 80px;
        max-width: 340px;
        padding: 14px 18px;
    }
}

@media (max-width: 768px) {
    .theme-toggle-wrapper {
        top: 15px;
        right: 15px;
        padding: 6px 12px 6px 16px;
        gap: 8px;
    }

    #themeLabel {
        font-size: 11px;
        min-width: 34px;
    }

    .switch {
        width: 42px;
        height: 22px;
    }

    .switch .slider {
        width: 14px;
        height: 14px;
    }

    [data-theme="dark"] .switch .slider {
        left: 22px;
    }

    .switch .switch-icon {
        font-size: 10px;
    }

    #profile-card {
        display: none;
    }
}