/* Budget Coach AI - Glass Effects Stylesheet */
/* iOS 26 Liquid Glass Theme - Advanced Glass Effects */

/* ============================================
   LIQUID GLASS EFFECTS
   ============================================ */

/* Ultra-thin glass - Most transparent (Dark Mode Default) */
.glass-ultra-thin {
    background: rgba(28, 28, 30, 0.3);
    backdrop-filter: blur(8px) saturate(120%);
    -webkit-backdrop-filter: blur(8px) saturate(120%);
}

/* Thin glass (Dark Mode Default) */
.glass-thin {
    background: rgba(28, 28, 30, 0.5);
    backdrop-filter: blur(12px) saturate(140%);
    -webkit-backdrop-filter: blur(12px) saturate(140%);
}

/* Regular glass - Default (Dark Mode Default) */
.glass-regular {
    background: rgba(28, 28, 30, 0.65);
    backdrop-filter: blur(16px) saturate(160%);
    -webkit-backdrop-filter: blur(16px) saturate(160%);
}

/* Thick glass (Dark Mode Default) */
.glass-thick {
    background: rgba(28, 28, 30, 0.8);
    backdrop-filter: blur(24px) saturate(180%);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
}

/* Ultra-thick glass - Most opaque (Dark Mode Default) */
.glass-ultra-thick {
    background: rgba(28, 28, 30, 0.92);
    backdrop-filter: blur(32px) saturate(200%);
    -webkit-backdrop-filter: blur(32px) saturate(200%);
}

/* ============================================
   GLASS HIGHLIGHT EFFECTS
   ============================================ */

/* Top highlight - simulates light refraction (Dark Mode Default) */
.glass-highlight-top::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(
        90deg,
        transparent 0%,
        rgba(255, 255, 255, 0.2) 20%,
        rgba(255, 255, 255, 0.3) 50%,
        rgba(255, 255, 255, 0.2) 80%,
        transparent 100%
    );
    pointer-events: none;
}

/* Inner glow effect (Dark Mode Default) */
.glass-inner-glow::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: inherit;
    background: linear-gradient(
        180deg,
        rgba(255, 255, 255, 0.08) 0%,
        transparent 40%,
        transparent 100%
    );
    pointer-events: none;
}

/* Accent glow overlay */
.glass-accent-glow {
    position: relative;
}

.glass-accent-glow::before {
    content: '';
    position: absolute;
    top: -1px;
    left: -1px;
    right: -1px;
    bottom: -1px;
    border-radius: inherit;
    background: linear-gradient(
        135deg,
        rgba(220, 20, 60, 0.3) 0%,
        transparent 50%,
        rgba(255, 20, 147, 0.2) 100%
    );
    z-index: -1;
    filter: blur(20px);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.glass-accent-glow:hover::before {
    opacity: 1;
}

/* ============================================
   FROSTED GLASS VARIANTS
   ============================================ */

/* Soft frost - gentle blur (Dark Mode Default) */
.frost-soft {
    background: rgba(44, 44, 46, 0.25);
    backdrop-filter: blur(40px) saturate(150%);
    -webkit-backdrop-filter: blur(40px) saturate(150%);
}

/* Dense frost - heavy blur (Dark Mode Default) */
.frost-dense {
    background: rgba(44, 44, 46, 0.4);
    backdrop-filter: blur(60px) saturate(180%);
    -webkit-backdrop-filter: blur(60px) saturate(180%);
}

/* Ice frost - crystalline effect (Dark Mode Default) */
.frost-ice {
    background: linear-gradient(
        135deg,
        rgba(44, 44, 46, 0.5) 0%,
        rgba(44, 44, 46, 0.3) 50%,
        rgba(44, 44, 46, 0.4) 100%
    );
    backdrop-filter: blur(30px) saturate(200%) brightness(0.95);
    -webkit-backdrop-filter: blur(30px) saturate(200%) brightness(0.95);
}

/* ============================================
   GLASS BORDER EFFECTS
   ============================================ */

/* Subtle glass border */
.glass-border {
    border: 1px solid rgba(255, 255, 255, 0.2);
}

/* Luminous border - glows */
.glass-border-luminous {
    border: 1px solid transparent;
    background-clip: padding-box;
    position: relative;
}

.glass-border-luminous::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: inherit;
    padding: 1px;
    background: linear-gradient(
        135deg,
        rgba(255, 255, 255, 0.4),
        rgba(255, 255, 255, 0.1),
        rgba(255, 255, 255, 0.3)
    );
    -webkit-mask:
        linear-gradient(#fff 0 0) content-box,
        linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
}

/* Gradient border */
.glass-border-gradient {
    position: relative;
    border: none;
}

.glass-border-gradient::before {
    content: '';
    position: absolute;
    inset: 0;
    padding: 1px;
    border-radius: inherit;
    background: linear-gradient(
        135deg,
        rgba(220, 20, 60, 0.5),
        rgba(255, 20, 147, 0.3),
        rgba(255, 255, 255, 0.2)
    );
    -webkit-mask:
        linear-gradient(#fff 0 0) content-box,
        linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
}

/* ============================================
   GLASS SHADOW EFFECTS
   ============================================ */

/* Soft diffuse shadow */
.glass-shadow-soft {
    box-shadow:
        0 4px 24px rgba(0, 0, 0, 0.06),
        0 8px 48px rgba(0, 0, 0, 0.04);
}

/* Medium shadow with color */
.glass-shadow-medium {
    box-shadow:
        0 8px 32px rgba(0, 0, 0, 0.08),
        0 16px 64px rgba(0, 0, 0, 0.06),
        0 0 0 1px rgba(255, 255, 255, 0.1) inset;
}

/* Strong shadow for elevated elements */
.glass-shadow-strong {
    box-shadow:
        0 12px 48px rgba(0, 0, 0, 0.12),
        0 24px 96px rgba(0, 0, 0, 0.08),
        0 1px 0 rgba(255, 255, 255, 0.3) inset;
}

/* Glow shadow - accent colored */
.glass-shadow-glow {
    box-shadow:
        0 8px 32px rgba(220, 20, 60, 0.15),
        0 16px 64px rgba(220, 20, 60, 0.1),
        0 0 0 1px rgba(220, 20, 60, 0.1);
}

/* ============================================
   LIQUID GLASS MORPHISM
   ============================================ */

/* Flowing liquid effect */
.liquid-morph {
    position: relative;
    overflow: hidden;
}

.liquid-morph::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(
        circle at 30% 30%,
        rgba(255, 255, 255, 0.3) 0%,
        transparent 50%
    );
    animation: liquidFlow 8s ease-in-out infinite;
    pointer-events: none;
}

@keyframes liquidFlow {
    0%, 100% {
        transform: translate(0, 0) rotate(0deg);
    }
    25% {
        transform: translate(10%, 10%) rotate(90deg);
    }
    50% {
        transform: translate(5%, 15%) rotate(180deg);
    }
    75% {
        transform: translate(-5%, 5%) rotate(270deg);
    }
}

/* Shimmer effect */
.glass-shimmer {
    position: relative;
    overflow: hidden;
}

.glass-shimmer::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.3),
        transparent
    );
    animation: shimmer 3s ease-in-out infinite;
    pointer-events: none;
}

@keyframes shimmer {
    0% {
        left: -100%;
    }
    100% {
        left: 100%;
    }
}

/* ============================================
   GLASS DEPTH LAYERS
   ============================================ */

/* Layer 1 - Closest to user (Dark Mode Default) */
.glass-layer-1 {
    background: rgba(44, 44, 46, 0.9);
    backdrop-filter: blur(40px);
    -webkit-backdrop-filter: blur(40px);
    box-shadow:
        0 20px 60px rgba(0, 0, 0, 0.3),
        0 1px 0 rgba(255, 255, 255, 0.1) inset;
}

/* Layer 2 - Middle (Dark Mode Default) */
.glass-layer-2 {
    background: rgba(44, 44, 46, 0.7);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    box-shadow:
        0 12px 40px rgba(0, 0, 0, 0.2),
        0 1px 0 rgba(255, 255, 255, 0.08) inset;
}

/* Layer 3 - Background (Dark Mode Default) */
.glass-layer-3 {
    background: rgba(44, 44, 46, 0.5);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow:
        0 8px 24px rgba(0, 0, 0, 0.15),
        0 1px 0 rgba(255, 255, 255, 0.06) inset;
}

/* ============================================
   GLASS INTERACTIVE STATES
   ============================================ */

/* Hover state - elevates and brightens */
.glass-interactive {
    transition: all var(--transition-base);
}

.glass-interactive:hover {
    transform: translateY(-4px);
    background: rgba(44, 44, 46, 0.85);
    box-shadow:
        0 16px 48px rgba(0, 0, 0, 0.25),
        0 1px 0 rgba(255, 255, 255, 0.1) inset;
}

/* Active/pressed state */
.glass-interactive:active {
    transform: translateY(-2px);
    background: rgba(44, 44, 46, 0.75);
    box-shadow:
        0 8px 24px rgba(0, 0, 0, 0.2),
        0 1px 0 rgba(255, 255, 255, 0.08) inset;
}

/* Focus state - accessibility */
.glass-interactive:focus-visible {
    outline: none;
    box-shadow:
        0 0 0 4px rgba(220, 20, 60, 0.3),
        0 12px 40px rgba(0, 0, 0, 0.1);
}

/* ============================================
   GLASS BUTTON VARIANTS
   ============================================ */

/* Primary glass button */
.glass-btn-primary {
    background: linear-gradient(
        135deg,
        rgba(220, 20, 60, 0.9) 0%,
        rgba(255, 20, 147, 0.9) 100%
    );
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow:
        0 4px 20px rgba(220, 20, 60, 0.4),
        0 1px 0 rgba(255, 255, 255, 0.3) inset;
    transition: all var(--transition-base);
}

.glass-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow:
        0 8px 32px rgba(220, 20, 60, 0.5),
        0 1px 0 rgba(255, 255, 255, 0.4) inset;
}

/* Secondary glass button (Dark Mode Default) */
.glass-btn-secondary {
    background: rgba(44, 44, 46, 0.6);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    color: var(--text-primary);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow:
        0 4px 16px rgba(0, 0, 0, 0.15),
        0 1px 0 rgba(255, 255, 255, 0.08) inset;
    transition: all var(--transition-base);
}

.glass-btn-secondary:hover {
    background: rgba(44, 44, 46, 0.8);
    transform: translateY(-2px);
    box-shadow:
        0 8px 24px rgba(0, 0, 0, 0.2),
        0 1px 0 rgba(255, 255, 255, 0.1) inset;
}

/* Ghost glass button (Dark Mode Default) */
.glass-btn-ghost {
    background: transparent;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    color: var(--text-primary);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all var(--transition-base);
}

.glass-btn-ghost:hover {
    background: rgba(44, 44, 46, 0.3);
    border-color: rgba(255, 255, 255, 0.15);
}

/* ============================================
   GLASS INPUT FIELDS
   ============================================ */

.glass-input-field {
    background: rgba(44, 44, 46, 0.5);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    padding: var(--space-md) var(--space-lg);
    color: var(--text-primary);
    transition: all var(--transition-fast);
}

.glass-input-field::placeholder {
    color: var(--text-tertiary);
}

.glass-input-field:focus {
    outline: none;
    background: rgba(44, 44, 46, 0.7);
    border-color: var(--primary);
    box-shadow:
        0 0 0 4px rgba(220, 20, 60, 0.15),
        0 4px 16px rgba(0, 0, 0, 0.15);
}

/* ============================================
   GLASS CARDS EXTENDED
   ============================================ */

/* Hero glass card (Dark Mode Default) */
.glass-hero-card {
    background: linear-gradient(
        135deg,
        rgba(44, 44, 46, 0.8) 0%,
        rgba(44, 44, 46, 0.6) 100%
    );
    backdrop-filter: blur(40px) saturate(180%);
    -webkit-backdrop-filter: blur(40px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xxl);
    box-shadow:
        0 24px 80px rgba(0, 0, 0, 0.25),
        0 1px 0 rgba(255, 255, 255, 0.1) inset;
}

/* Feature glass card (Dark Mode Default) */
.glass-feature-card {
    background: rgba(44, 44, 46, 0.7);
    backdrop-filter: blur(24px) saturate(160%);
    -webkit-backdrop-filter: blur(24px) saturate(160%);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    box-shadow:
        0 12px 48px rgba(0, 0, 0, 0.2),
        0 1px 0 rgba(255, 255, 255, 0.08) inset;
    transition: all var(--transition-base);
}

.glass-feature-card:hover {
    transform: translateY(-8px);
    box-shadow:
        0 20px 64px rgba(0, 0, 0, 0.25),
        0 0 0 1px rgba(220, 20, 60, 0.2),
        0 1px 0 rgba(255, 255, 255, 0.1) inset;
}

/* Pricing glass card (Dark Mode Default) */
.glass-pricing-card {
    background: rgba(44, 44, 46, 0.7);
    backdrop-filter: blur(30px) saturate(180%);
    -webkit-backdrop-filter: blur(30px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    box-shadow:
        0 16px 56px rgba(0, 0, 0, 0.2),
        0 1px 0 rgba(255, 255, 255, 0.08) inset;
}

/* Featured pricing card (Dark Mode Default) */
.glass-pricing-featured {
    background: linear-gradient(
        135deg,
        rgba(44, 44, 46, 0.75) 0%,
        rgba(220, 20, 60, 0.1) 100%
    );
    border: 2px solid rgba(220, 20, 60, 0.3);
    box-shadow:
        0 20px 64px rgba(220, 20, 60, 0.2),
        0 0 0 1px rgba(220, 20, 60, 0.15) inset,
        0 1px 0 rgba(255, 255, 255, 0.1) inset;
}

/* ============================================
   GLASS NAVIGATION
   ============================================ */

.glass-navbar {
    background: rgba(28, 28, 30, 0.8);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.15);
}

.glass-tab-bar {
    background: rgba(44, 44, 46, 0.6);
    backdrop-filter: blur(30px) saturate(180%);
    -webkit-backdrop-filter: blur(30px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    padding: var(--space-xs);
}

.glass-tab-item {
    padding: var(--space-sm) var(--space-lg);
    border-radius: var(--radius-full);
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.glass-tab-item.active {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.glass-tab-item:hover:not(.active) {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
}

/* ============================================
   GLASS PROGRESS & INDICATORS
   ============================================ */

/* Glass progress bar (Dark Mode Default) */
.glass-progress {
    height: 8px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.glass-progress-fill {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    transition: width var(--transition-slow);
    box-shadow: 0 0 12px rgba(220, 20, 60, 0.5);
}

/* Glass badge (Dark Mode Default) */
.glass-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-xs) var(--space-md);
    background: rgba(44, 44, 46, 0.6);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 500;
}

.glass-badge-success {
    background: rgba(52, 199, 89, 0.15);
    border-color: rgba(52, 199, 89, 0.3);
    color: var(--success);
}

.glass-badge-warning {
    background: rgba(255, 149, 0, 0.15);
    border-color: rgba(255, 149, 0, 0.3);
    color: var(--warning);
}

.glass-badge-danger {
    background: rgba(255, 59, 48, 0.15);
    border-color: rgba(255, 59, 48, 0.3);
    color: var(--danger);
}

/* ============================================
   GLASS TOOLTIP
   ============================================ */

.glass-tooltip {
    position: absolute;
    padding: var(--space-sm) var(--space-md);
    background: rgba(28, 28, 30, 0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: var(--radius-sm);
    color: white;
    font-size: var(--font-size-sm);
    white-space: nowrap;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    pointer-events: none;
    opacity: 0;
    transform: translateY(4px);
    transition: all var(--transition-fast);
}

.glass-tooltip.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Dark mode is now the default - no media query needed */