/* ==========================================================================
   Core Design System & Reset
   ========================================================================== */

:root {
    /* Color Palette - Cyber / Neon Dark Theme */
    --bg-dark: #07080c;
    --card-bg: rgba(13, 16, 26, 0.55);
    --card-border: rgba(255, 255, 255, 0.06);
    --card-border-hover: rgba(168, 85, 247, 0.3);
    
    --text-primary: #f3f4f6;
    --text-secondary: #a1a1aa;
    --text-muted: #71717a;

    --accent-purple: #a855f7;
    --accent-cyan: #06b6d4;
    --accent-blue: #3b82f6;
    --accent-red: #ef4444;

    --glow-color-1: rgba(168, 85, 247, 0.12); /* Purple glow */
    --glow-color-2: rgba(6, 182, 212, 0.12);  /* Cyan glow */
    
    --primary-gradient: linear-gradient(135deg, var(--accent-purple), var(--accent-cyan));
    --button-gradient-hover: linear-gradient(135deg, #b86eff, #22d3ee);

    --font-sans: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

/* Base resets */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-sans);
    background-color: var(--bg-dark);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow-x: hidden;
    position: relative;
    padding: 40px 20px;
    line-height: 1.5;
}

/* ==========================================================================
   Dynamic Glowing Backgrounds
   ========================================================================== */

.bg-glow {
    position: fixed;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    filter: blur(140px);
    z-index: -1;
    pointer-events: none;
    opacity: 0.8;
}

.bg-glow-1 {
    top: -10%;
    left: -10%;
    background: radial-gradient(circle, var(--glow-color-1) 0%, transparent 70%);
    animation: pulseGlow 12s infinite alternate ease-in-out;
}

.bg-glow-2 {
    bottom: -10%;
    right: -10%;
    background: radial-gradient(circle, var(--glow-color-2) 0%, transparent 70%);
    animation: pulseGlow 12s infinite alternate-reverse ease-in-out;
}

@keyframes pulseGlow {
    0% {
        transform: translate(0, 0) scale(1);
    }
    100% {
        transform: translate(80px, 50px) scale(1.15);
    }
}

/* ==========================================================================
   Layout Containers
   ========================================================================== */

.container {
    width: 100%;
    max-width: 480px;
    margin: 0 auto;
    z-index: 10;
}

/* Dashboard mode container (wider for generator dashboard) */
.container.main-container {
    max-width: 680px;
}

/* Glassmorphism Card (Base) */
.profile-card, .generator-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: 24px;
    padding: 40px 30px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
    transition: var(--transition-smooth);
}

.profile-card {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.profile-card:hover, .generator-card:hover {
    border-color: rgba(255, 255, 255, 0.08);
}

/* ==========================================================================
   Header Typography
   ========================================================================== */

.app-header {
    text-align: center;
    margin-bottom: 30px;
}

.logo-title {
    font-size: 2.2rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    margin-bottom: 6px;
    background: linear-gradient(to right, #ffffff, #d1d5db);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.logo-title span {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.logo-subtitle {
    font-size: 0.95rem;
    color: var(--text-secondary);
    font-weight: 300;
    max-width: 450px;
    margin: 0 auto;
}

/* ==========================================================================
   Form Fields & Controls
   ========================================================================== */

.form-section {
    margin-bottom: 30px;
    padding-bottom: 24px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.form-section:last-of-type {
    margin-bottom: 20px;
    border-bottom: none;
}

.section-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
}

.section-header-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.section-desc {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 16px;
}

.input-group {
    margin-bottom: 16px;
    display: flex;
    flex-direction: column;
    text-align: left;
}

.input-group:last-child {
    margin-bottom: 0;
}

.input-group label {
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.label-optional {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* Standard Inputs & Textareas */
input[type="text"],
input[type="url"],
input[type="email"],
textarea {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 12px;
    color: var(--text-primary);
    padding: 12px 16px;
    outline: none;
    font-family: var(--font-sans);
    font-size: 0.95rem;
    transition: var(--transition-smooth);
    width: 100%;
}

input:focus,
textarea:focus {
    border-color: var(--accent-purple);
    box-shadow: 0 0 10px rgba(168, 85, 247, 0.15);
    background: rgba(255, 255, 255, 0.04);
}

textarea {
    resize: vertical;
    line-height: 1.6;
}

.input-hint {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 6px;
}

/* Inputs side-by-side grid */
.grid-inputs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

/* Custom Tree Links rows */
.custom-links-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.custom-link-row {
    display: flex;
    gap: 10px;
    align-items: center;
}

.custom-link-row .link-label {
    flex: 2;
}

.custom-link-row .link-url {
    flex: 3;
}

.remove-link-btn {
    background: rgba(239, 68, 68, 0.08);
    border: 1px solid rgba(239, 68, 68, 0.15);
    color: var(--accent-red);
    width: 44px;
    height: 44px;
    border-radius: 12px;
    font-size: 1.4rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-smooth);
}

.remove-link-btn:hover {
    background: var(--accent-red);
    color: #ffffff;
    border-color: transparent;
    transform: scale(1.02);
}

/* ==========================================================================
   Buttons
   ========================================================================== */

/* Main Primary submit button */
.primary-btn {
    background: var(--primary-gradient);
    color: #ffffff;
    border: none;
    border-radius: 16px;
    padding: 16px 24px;
    font-size: 1.05rem;
    font-weight: 600;
    font-family: var(--font-sans);
    cursor: pointer;
    transition: var(--transition-bounce);
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    box-shadow: 0 8px 24px rgba(168, 85, 247, 0.25);
}

.primary-btn:hover {
    background: var(--button-gradient-hover);
    transform: translateY(-2px);
    box-shadow: 0 10px 28px rgba(168, 85, 247, 0.35);
}

.primary-btn:active {
    transform: translateY(0);
}

/* Small secondary button */
.secondary-btn-sm {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.06);
    color: var(--text-primary);
    border-radius: 10px;
    padding: 8px 14px;
    font-size: 0.82rem;
    font-weight: 500;
    font-family: var(--font-sans);
    cursor: pointer;
    transition: var(--transition-smooth);
}

.secondary-btn-sm:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--accent-purple);
}

.primary-btn-sm {
    background: var(--primary-gradient);
    color: #ffffff;
    border: none;
    border-radius: 10px;
    padding: 8px 14px;
    font-size: 0.82rem;
    font-weight: 600;
    font-family: var(--font-sans);
    text-decoration: none;
    display: inline-block;
    cursor: pointer;
    transition: var(--transition-bounce);
}

.primary-btn-sm:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 15px rgba(168, 85, 247, 0.2);
}

/* ==========================================================================
   Generator Success Result Card
   ========================================================================== */

.result-card {
    text-align: center;
    padding: 10px 0;
    animation: fadeIn 0.4s ease-out forwards;
}

.success-icon {
    font-size: 3rem;
    margin-bottom: 12px;
    animation: bounce 0.6s cubic-bezier(0.175, 0.885, 0.32, 1.275) infinite alternate;
}

@keyframes bounce {
    from { transform: translateY(0); }
    to { transform: translateY(-8px); }
}

.result-card h3 {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.result-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

/* Link Copy/Display container */
.link-display-box {
    display: flex;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--accent-purple);
    border-radius: 14px;
    padding: 6px 6px 6px 14px;
    align-items: center;
    gap: 10px;
    margin-bottom: 24px;
    box-shadow: 0 0 15px rgba(168, 85, 247, 0.1);
}

.link-display-box input {
    background: transparent !important;
    border: none !important;
    box-shadow: none !important;
    padding: 0;
    font-family: var(--font-sans);
    color: var(--accent-cyan);
    font-weight: 500;
    font-size: 0.95rem;
    flex-grow: 1;
}

.link-display-box button {
    background: var(--primary-gradient);
    color: #ffffff;
    border: none;
    border-radius: 10px;
    padding: 10px 18px;
    font-weight: 600;
    font-family: var(--font-sans);
    font-size: 0.88rem;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.link-display-box button:hover {
    opacity: 0.9;
}

.result-actions {
    display: flex;
    justify-content: center;
    gap: 12px;
}

/* Helper Utilities */
.hidden {
    display: none !important;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Small spinner for loader buttons */
.spinner-sm {
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-top: 2px solid #ffffff;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

/* ==========================================================================
   Profile view components (from onepage linktree style)
   ========================================================================== */

.profile-header {
    margin-bottom: 24px;
}

.avatar-container {
    position: relative;
    width: 110px;
    height: 110px;
    margin: 0 auto 16px auto;
    border-radius: 50%;
}

.profile-avatar {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid rgba(255, 255, 255, 0.1);
    background-color: var(--bg-dark);
    z-index: 2;
    position: relative;
}

.avatar-glow {
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    border-radius: 50%;
    background: var(--primary-gradient);
    z-index: 1;
    opacity: 0.5;
    filter: blur(4px);
    transition: var(--transition-smooth);
}

.avatar-container:hover .avatar-glow {
    opacity: 0.9;
    filter: blur(8px);
}

.profile-name {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 6px;
    letter-spacing: -0.025em;
    background: linear-gradient(to right, #ffffff, #d1d5db);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.profile-bio {
    font-size: 0.95rem;
    color: var(--text-secondary);
    font-weight: 300;
    max-width: 320px;
    margin: 0 auto;
}

/* Social Row */
.social-row {
    display: flex;
    gap: 16px;
    margin-bottom: 30px;
    justify-content: center;
}

.social-icon-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
    color: var(--text-secondary);
    transition: var(--transition-bounce);
    text-decoration: none;
}

.social-icon-link:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--accent-cyan);
    transform: translateY(-4px);
    box-shadow: 0 4px 15px rgba(6, 182, 212, 0.2);
}

/* Navigation Links */
.link-tree {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 35px;
}

.tree-link {
    display: flex;
    align-items: center;
    width: 100%;
    padding: 16px 24px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.04);
    border-radius: 16px;
    color: var(--text-primary);
    font-size: 1.05rem;
    font-weight: 600;
    text-decoration: none;
    text-align: left;
    transition: var(--transition-bounce);
    position: relative;
    overflow: hidden;
}

.link-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 16px;
    color: var(--accent-purple);
    transition: var(--transition-bounce);
}

.link-text {
    flex-grow: 1;
}

.tree-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--primary-gradient);
    opacity: 0;
    z-index: 1;
    transition: var(--transition-smooth);
}

.tree-link > * {
    position: relative;
    z-index: 2;
}

.tree-link:hover {
    border-color: transparent;
    transform: scale(1.02);
    box-shadow: 0 8px 24px rgba(168, 85, 247, 0.2);
}

.tree-link:hover::before {
    opacity: 0.12;
}

.tree-link:hover .link-icon {
    color: var(--accent-cyan);
    transform: rotate(5deg) scale(1.1);
}

/* Legal Footer Links */
.legal-footer {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.85rem;
    color: var(--text-muted);
    justify-content: center;
}

.legal-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    font-family: var(--font-sans);
    font-size: 0.85rem;
    cursor: pointer;
    transition: var(--transition-smooth);
    padding: 4px 8px;
    border-radius: 6px;
}

.legal-btn:hover {
    color: var(--text-secondary);
    background: rgba(255, 255, 255, 0.05);
}

.separator {
    user-select: none;
}

/* ==========================================================================
   Segmented Tab Selector
   ========================================================================== */

.legal-tabs {
    display: flex;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 14px;
    padding: 5px;
    max-width: 380px;
    margin: 0 auto 24px auto;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.tab-btn {
    flex: 1;
    border: none;
    background: transparent;
    padding: 12px 16px;
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.92rem;
    font-family: var(--font-sans);
    border-radius: 10px;
    cursor: pointer;
    transition: var(--transition-smooth);
    text-align: center;
}

.tab-btn:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.03);
}

.tab-btn.active {
    background: var(--primary-gradient);
    color: #ffffff;
    box-shadow: 0 4px 15px rgba(168, 85, 247, 0.25);
}

/* ==========================================================================
   Document View Content Styles
   ========================================================================== */

.modal-body {
    padding: 0;
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.65;
    text-align: left;
}

.modal-body h3 {
    color: var(--text-primary);
    font-size: 1.2rem;
    margin: 28px 0 12px 0;
    font-weight: 600;
    letter-spacing: -0.01em;
}

.modal-body h4 {
    color: var(--text-primary);
    font-size: 1.05rem;
    margin: 20px 0 8px 0;
    font-weight: 600;
}

.modal-body h3:first-of-type {
    margin-top: 0;
}

.modal-body p {
    margin-bottom: 16px;
}

.modal-body ul {
    margin-bottom: 18px;
    padding-left: 20px;
}

.modal-body li {
    margin-bottom: 8px;
}

.loader-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 0;
    gap: 16px;
}

.spinner {
    width: 44px;
    height: 44px;
    border: 3px solid rgba(168, 85, 247, 0.1);
    border-top: 3px solid var(--accent-purple);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* ==========================================================================
   Marketing & Features Grid
   ========================================================================== */

.features-section {
    margin-top: 50px;
    text-align: center;
    animation: fadeIn 0.8s ease-out forwards;
}

.features-title {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 24px;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 10px;
}

.feature-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-radius: 20px;
    padding: 24px 20px;
    text-align: left;
    transition: var(--transition-smooth);
}

.feature-card:hover {
    transform: translateY(-4px);
    border-color: rgba(255, 255, 255, 0.1);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
}

.feature-icon {
    font-size: 1.8rem;
    margin-bottom: 12px;
}

.feature-card h3 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.feature-card p {
    font-size: 0.82rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.legal-disclaimer-text {
    font-size: 0.78rem;
    color: var(--text-muted);
    line-height: 1.5;
    text-align: center;
    margin: 24px 0 35px 0;
    padding: 0 10px;
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */

@media (max-width: 640px) {
    .grid-inputs {
        grid-template-columns: 1fr;
        gap: 0;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
}

@media (max-width: 480px) {
    body {
        padding: 20px 10px;
    }
    
    .generator-card {
        padding: 25px 15px;
        border-radius: 20px;
    }
    
    .logo-title {
        font-size: 1.8rem;
    }

    .legal-tabs {
        width: 100%;
        max-width: none;
    }

    .tab-btn {
        padding: 10px 8px;
        font-size: 0.85rem;
    }
}