/* assets/css/liquid-glass.css */

:root {
    --liquid-bg: #f5f7fa;
    --liquid-surface: #ffffff;
    --glass-surface: rgba(255, 255, 255, 0.72);
    --glass-surface-strong: rgba(255, 255, 255, 0.9);
    --glass-border: rgba(20, 108, 255, 0.12);
    --glass-border-strong: rgba(20, 108, 255, 0.22);
    --primary: #146cff;
    --primary-rgb: 20, 108, 255;
    --primary-gradient: linear-gradient(135deg, #146cff 0%, #3fb7ff 100%);
    --accent: #ff6a00;
    --accent-rgb: 255, 106, 0;
    --text-primary: rgba(15, 23, 42, 0.96);
    --text-secondary: rgba(51, 65, 85, 0.78);
    --text-tertiary: rgba(100, 116, 139, 0.68);
    --space-xs: 8px;
    --space-sm: 16px;
    --space-md: 24px;
    --space-lg: 32px;
    --space-xl: 48px;
    --space-2xl: 64px;
    --radius-xs: 8px;
    --radius-sm: 12px;
    --radius-md: 16px;
    --radius-lg: 20px;
    --radius-xl: 24px;
    --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.06);
    --shadow-md: 0 8px 24px rgba(15, 23, 42, 0.1);
    --shadow-lg: 0 20px 60px rgba(15, 23, 42, 0.14);
    --transition-fast: 140ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 220ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 340ms cubic-bezier(0.4, 0, 0.2, 1);
}

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

html,
body {
    min-height: 100%;
}

body {
    min-height: 100vh;
    overflow-x: hidden;
    color: var(--text-primary);
    font-family: 'Bricolage Grotesque', sans-serif;
    font-size: 16px;
    line-height: 1.6;
    background:
        radial-gradient(circle at 14% 8%, rgba(var(--primary-rgb), 0.13), transparent 34%),
        radial-gradient(circle at 86% 12%, rgba(var(--accent-rgb), 0.09), transparent 32%),
        linear-gradient(135deg, #f7f9fc 0%, #e8eef6 100%);
    background-attachment: fixed;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body::before {
    content: '';
    position: fixed;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    background:
        linear-gradient(rgba(255, 255, 255, 0.4), rgba(255, 255, 255, 0)),
        radial-gradient(ellipse at top, rgba(var(--primary-rgb), 0.08), transparent 55%);
}

button,
input {
    font: inherit;
}

button {
    border: 0;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    color: var(--text-primary);
    font-weight: 650;
    line-height: 1.18;
    letter-spacing: 0;
}

p {
    color: var(--text-secondary);
}

.text-center {
    text-align: center;
}

.text-secondary {
    color: var(--text-secondary);
}

.text-tertiary {
    color: var(--text-tertiary);
}

.hidden {
    display: none !important;
}

.glass-card {
    background: var(--glass-surface);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg), inset 0 1px 0 rgba(255, 255, 255, 0.72);
    backdrop-filter: blur(22px) saturate(145%);
    -webkit-backdrop-filter: blur(22px) saturate(145%);
}

.deck-tabs {
    display: inline-grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 4px;
    width: min(100%, 360px);
    padding: 4px;
    background: rgba(255, 255, 255, 0.68);
    border: 1px solid rgba(var(--primary-rgb), 0.14);
    border-radius: 999px;
    box-shadow: var(--shadow-sm), inset 0 1px 0 rgba(255, 255, 255, 0.76);
    backdrop-filter: blur(14px) saturate(140%);
    -webkit-backdrop-filter: blur(14px) saturate(140%);
}

.deck-tab {
    display: inline-flex;
    min-height: 40px;
    align-items: center;
    justify-content: center;
    padding: 8px 12px;
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 750;
    line-height: 1.2;
    text-align: center;
    text-decoration: none;
    border-radius: 999px;
    transition: color var(--transition-base), background var(--transition-base), box-shadow var(--transition-base);
}

.deck-tab:hover,
.deck-tab:focus-visible {
    color: var(--primary);
    background: rgba(var(--primary-rgb), 0.08);
    outline: none;
}

.deck-tab.active {
    color: #ffffff;
    background: rgba(var(--primary-rgb), 0.92);
    box-shadow: 0 6px 18px rgba(var(--primary-rgb), 0.22);
}

.glass-input {
    width: 100%;
    padding: 14px 18px;
    color: var(--text-primary);
    font-size: 16px;
    background: rgba(255, 255, 255, 0.74);
    border: 1px solid rgba(var(--primary-rgb), 0.12);
    border-radius: var(--radius-md);
    box-shadow: inset 0 1px 4px rgba(15, 23, 42, 0.04);
    outline: none;
    transition: border-color var(--transition-base), box-shadow var(--transition-base), background var(--transition-base);
}

.glass-input:focus {
    background: #ffffff;
    border-color: rgba(var(--primary-rgb), 0.42);
    box-shadow: 0 0 0 4px rgba(var(--primary-rgb), 0.12), inset 0 1px 4px rgba(15, 23, 42, 0.04);
}

#app-container {
    display: flex;
    min-height: calc(100vh - 76px);
    align-items: center;
    justify-content: center;
    padding: clamp(16px, 3vw, 40px);
}

.site-footer {
    padding: 0 clamp(16px, 3vw, 40px) 22px;
    text-align: center;
}

.site-footer-inner {
    width: min(100%, 760px);
    margin: 0 auto;
    padding-top: 16px;
    border-top: 1px solid rgba(var(--primary-rgb), 0.16);
}

.site-footer p {
    margin: 0;
    color: var(--text-secondary);
    font-size: 14px;
}

.step-content {
    width: min(100%, 760px);
    max-height: calc(100vh - 48px);
    overflow: hidden;
    padding: clamp(24px, 4vw, 40px) !important;
    text-align: center;
    transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.centered-screen {
    display: flex;
    min-height: min(620px, calc(100vh - 48px));
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
}

.screen-kicker {
    margin-bottom: var(--space-xs);
    color: var(--primary);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.screen-title {
    width: min(100%, 680px);
    margin: 0 auto var(--space-sm);
    font-size: clamp(28px, 4vw, 42px);
}

.screen-subtitle {
    width: min(100%, 560px);
    margin: 0 auto;
    color: var(--text-secondary);
    font-size: clamp(15px, 2vw, 17px);
}

.btn {
    display: inline-flex;
    min-height: 48px;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    color: var(--primary);
    font-size: 15px;
    font-weight: 650;
    text-align: center;
    text-decoration: none;
    cursor: pointer;
    user-select: none;
    background: rgba(var(--primary-rgb), 0.12);
    border: 1px solid rgba(var(--primary-rgb), 0.22);
    border-radius: 999px;
    box-shadow: var(--shadow-sm), inset 0 1px 0 rgba(255, 255, 255, 0.72);
    transition: transform var(--transition-fast), background var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base);
}

.btn:hover,
.btn:focus-visible {
    background: rgba(var(--primary-rgb), 0.18);
    border-color: rgba(var(--primary-rgb), 0.36);
    box-shadow: 0 8px 24px rgba(var(--primary-rgb), 0.18), inset 0 1px 0 rgba(255, 255, 255, 0.86);
    outline: none;
    transform: translateY(-1px);
}

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

.btn-primary {
    color: #ffffff;
    background: var(--primary-gradient);
    border-color: rgba(255, 255, 255, 0.24);
    box-shadow: 0 10px 26px rgba(var(--primary-rgb), 0.24), inset 0 1px 0 rgba(255, 255, 255, 0.28);
}

.btn-primary:hover,
.btn-primary:focus-visible {
    background: linear-gradient(135deg, #0f5ee5 0%, #2daaff 100%);
    box-shadow: 0 14px 32px rgba(var(--primary-rgb), 0.28), inset 0 1px 0 rgba(255, 255, 255, 0.34);
}

.btn-outline {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.68);
    border-color: rgba(15, 23, 42, 0.08);
}

.btn-outline:hover,
.btn-outline:focus-visible {
    background: #ffffff;
    border-color: rgba(var(--primary-rgb), 0.22);
}

@keyframes fadeInScale {
    from {
        opacity: 0;
        transform: translateY(10px) scale(0.98);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.fade-in {
    animation: fadeInScale 420ms cubic-bezier(0.2, 0.8, 0.2, 1) both;
}

.loading-copy {
    margin-top: var(--space-md);
    color: var(--text-secondary);
    font-size: 14px;
}

/* Breathing */
.breath-screen {
    gap: var(--space-md);
}

.breath-orb {
    position: relative;
    display: grid;
    width: 156px;
    height: 156px;
    margin: var(--space-sm) auto;
    place-items: center;
    border-radius: 50%;
    background:
        radial-gradient(circle at 36% 28%, rgba(255, 255, 255, 0.95), rgba(255, 255, 255, 0.18) 38%, transparent 42%),
        linear-gradient(135deg, rgba(var(--primary-rgb), 0.92), rgba(63, 183, 255, 0.82));
    box-shadow: 0 22px 54px rgba(var(--primary-rgb), 0.26);
    animation: breathe 8s infinite ease-in-out;
}

.breath-orb::before,
.breath-orb::after,
.breath-orb span {
    content: '';
    position: absolute;
    border: 1px solid rgba(var(--primary-rgb), 0.14);
    border-radius: 50%;
    inset: -14px;
}

.breath-orb::after {
    inset: -28px;
    opacity: 0.5;
}

.breath-orb span {
    inset: 30px;
    border-color: rgba(255, 255, 255, 0.62);
}

.breath-text {
    color: var(--primary);
    font-size: clamp(24px, 4vw, 34px);
    transition: opacity var(--transition-slow);
}

.breath-countdown,
.focus-countdown {
    display: inline-flex;
    width: 54px;
    height: 54px;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 20px;
    font-weight: 750;
    background: rgba(var(--primary-rgb), 0.08);
    border: 1px solid rgba(var(--primary-rgb), 0.16);
    border-radius: 999px;
}

@keyframes breathe {
    0%,
    100% {
        transform: scale(0.94);
        box-shadow: 0 18px 44px rgba(var(--primary-rgb), 0.22);
    }
    50% {
        transform: scale(1.12);
        box-shadow: 0 26px 68px rgba(var(--primary-rgb), 0.34);
    }
}

/* Mode select */
.mode-screen {
    width: min(100%, 920px);
}

.mode-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--space-sm);
    margin-top: var(--space-lg);
}

.mode-card {
    display: flex;
    min-height: 238px;
    flex-direction: column;
    align-items: stretch;
    justify-content: space-between;
    padding: 18px;
    text-align: left;
    cursor: pointer;
    background: rgba(255, 255, 255, 0.62);
    border: 1px solid rgba(255, 255, 255, 0.82);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-base), background var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base);
}

.mode-card:hover,
.mode-card:focus-visible {
    background: rgba(255, 255, 255, 0.95);
    border-color: rgba(var(--primary-rgb), 0.28);
    box-shadow: 0 14px 34px rgba(15, 23, 42, 0.12);
    outline: none;
    transform: translateY(-4px);
}

.mode-icon {
    position: relative;
    display: grid;
    height: 112px;
    place-items: center;
    border-radius: var(--radius-md);
    background:
        linear-gradient(135deg, rgba(var(--primary-rgb), 0.08), rgba(var(--accent-rgb), 0.06)),
        rgba(255, 255, 255, 0.62);
    border: 1px solid rgba(var(--primary-rgb), 0.08);
}

.mini-card {
    position: absolute;
    width: 54px;
    height: 78px;
    overflow: hidden;
    background: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.92);
    border-radius: 10px;
    box-shadow: 0 10px 22px rgba(15, 23, 42, 0.16);
}

.mini-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.card-stack-1 .mini-card-1 {
    transform: rotate(-2deg);
}

.card-stack-3 .mini-card-1 {
    transform: translateX(-30px) rotate(-9deg);
}

.card-stack-3 .mini-card-2 {
    z-index: 1;
    transform: translateY(-4px);
}

.card-stack-3 .mini-card-3 {
    transform: translateX(30px) rotate(9deg);
}

.breath-icon span {
    position: absolute;
    width: 54px;
    height: 54px;
    border-radius: 50%;
    background: rgba(var(--primary-rgb), 0.12);
    border: 1px solid rgba(var(--primary-rgb), 0.18);
}

.breath-icon span:nth-child(1) {
    transform: translateX(-28px);
}

.breath-icon span:nth-child(2) {
    background: rgba(var(--accent-rgb), 0.1);
}

.breath-icon span:nth-child(3) {
    transform: translateX(28px);
}

.mode-copy {
    display: grid;
    gap: 6px;
    margin-top: var(--space-sm);
}

.mode-copy strong {
    color: var(--text-primary);
    font-size: 18px;
    line-height: 1.25;
}

.mode-copy span {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.45;
}

/* Cards */
.card-display {
    width: min(72vw, 280px);
    height: min(116vw, 420px);
    margin: 0 auto;
    padding: 0;
    cursor: pointer;
    background: transparent;
    perspective: 1400px;
    transition: transform var(--transition-base);
}

.card-display:hover,
.card-display:focus-visible {
    outline: none;
    transform: translateY(-5px);
}

.card-inner {
    position: relative;
    display: block;
    width: 100%;
    height: 100%;
    border-radius: var(--radius-md);
    box-shadow: 0 24px 46px rgba(15, 23, 42, 0.2);
    transform-style: preserve-3d;
    transition: transform 760ms cubic-bezier(0.4, 0, 0.2, 1), box-shadow var(--transition-base);
}

.card-display.flipped .card-inner {
    transform: rotateY(180deg);
}

.card-front,
.card-back {
    position: absolute;
    inset: 0;
    display: block;
    overflow: hidden;
    background: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.74);
    border-radius: var(--radius-md);
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
}

.card-front img,
.card-back img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.card-back {
    transform: rotateY(180deg);
}

.instruction-copy {
    display: block;
    margin-top: var(--space-md);
    color: var(--text-secondary);
    font-size: 15px;
}

/* Reading */
.reading-screen {
    width: min(100%, 980px);
}

.reading-layout {
    display: grid;
    grid-template-columns: minmax(220px, 340px) minmax(0, 1fr);
    gap: var(--space-lg);
    align-items: center;
    text-align: left;
}

.reading-card {
    display: grid;
    gap: 10px;
    margin: 0;
    text-align: center;
}

.reading-card img {
    width: 100%;
    max-height: min(62vh, 520px);
    object-fit: contain;
    cursor: zoom-in;
    background: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.82);
    border-radius: var(--radius-md);
    box-shadow: 0 18px 42px rgba(15, 23, 42, 0.16);
}

.reading-card figcaption {
    color: var(--text-tertiary);
    font-size: 13px;
}

.reading-panel {
    display: grid;
    gap: var(--space-md);
}

.reading-title {
    color: var(--text-primary);
    font-size: clamp(24px, 3.4vw, 34px);
}

.reading-steps {
    display: grid;
    gap: 12px;
}

.reading-steps article {
    display: grid;
    grid-template-columns: 36px minmax(0, 1fr);
    gap: 12px;
    padding: 14px;
    background: rgba(255, 255, 255, 0.58);
    border: 1px solid rgba(var(--primary-rgb), 0.1);
    border-radius: var(--radius-md);
}

.reading-steps article > span {
    display: inline-flex;
    width: 36px;
    height: 36px;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-weight: 750;
    background: rgba(var(--primary-rgb), 0.1);
    border-radius: 999px;
}

.reading-steps strong {
    display: block;
    margin-bottom: 2px;
    color: var(--text-primary);
}

.reading-steps p {
    font-size: 14px;
}

.reading-action {
    justify-self: start;
    min-width: 168px;
}

/* Reflection and end */
.reflection-input {
    width: min(100%, 520px);
    margin: var(--space-md) auto var(--space-sm);
    text-align: center;
}

.reflection-action,
.end-action {
    margin-top: var(--space-sm);
}

.emoji-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: center;
    margin: var(--space-md) 0 var(--space-sm);
}

.end-mark img {
    width: 84px;
    height: 84px;
    margin-bottom: var(--space-sm);
    object-fit: cover;
    border-radius: var(--radius-lg);
    box-shadow: 0 14px 30px rgba(15, 23, 42, 0.12);
}

.end-screen {
    gap: var(--space-md);
}

.end-cta-card {
    display: grid;
    width: min(100%, 560px);
    gap: var(--space-md);
    justify-items: center;
    padding: clamp(22px, 4vw, 34px);
    background: rgba(255, 255, 255, 0.72);
    border: 1px solid rgba(var(--primary-rgb), 0.12);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md), inset 0 1px 0 rgba(255, 255, 255, 0.75);
}

.end-cta-card h1 {
    width: min(100%, 460px);
    font-size: clamp(24px, 3vw, 34px);
    text-align: center;
}

.end-discover {
    min-width: 160px;
}

.end-breath {
    margin-top: var(--space-sm);
    color: var(--primary);
    font-weight: 650;
}

.end-action {
    min-width: min(100%, 260px);
}

/* Zoom Modal */
.zoom-modal {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: grid;
    place-items: center;
    padding: var(--space-md);
    cursor: zoom-out;
    background: rgba(248, 250, 252, 0.92);
    opacity: 0;
    pointer-events: none;
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    transition: opacity var(--transition-base);
}

.zoom-stage {
    display: grid;
    width: 100%;
    height: 100%;
    place-items: center;
    overflow: hidden;
    touch-action: none;
}

.zoom-close {
    position: fixed;
    top: max(14px, env(safe-area-inset-top));
    right: max(14px, env(safe-area-inset-right));
    z-index: 1001;
    display: inline-flex;
    width: 42px;
    height: 42px;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    font-size: 22px;
    font-weight: 700;
    line-height: 1;
    cursor: pointer;
    background: rgba(255, 255, 255, 0.84);
    border: 1px solid rgba(var(--primary-rgb), 0.14);
    border-radius: 999px;
    box-shadow: var(--shadow-sm);
    backdrop-filter: blur(14px) saturate(140%);
    -webkit-backdrop-filter: blur(14px) saturate(140%);
}

.zoom-modal.active {
    opacity: 1;
    pointer-events: auto;
}

.zoom-modal img {
    max-width: min(96vw, 1080px);
    max-height: 94vh;
    object-fit: contain;
    border-radius: var(--radius-md);
    box-shadow: 0 24px 70px rgba(15, 23, 42, 0.22);
    transform: translate3d(0, 0, 0) scale(1);
    transform-origin: center center;
    user-select: none;
    -webkit-user-select: none;
    -webkit-user-drag: none;
    touch-action: none;
    transition: transform var(--transition-base);
}

.zoom-modal img.is-zoomed {
    cursor: grab;
    transition: none;
}

@media (max-width: 640px) {
    .zoom-modal {
        padding: 8px;
    }

    .zoom-modal img {
        max-width: 98vw;
        max-height: 96vh;
    }
}

@media (max-width: 820px) {
    #app-container {
        align-items: flex-start;
        padding: 56px 14px 14px;
    }

    .site-footer {
        padding: 0 14px 18px;
    }

    .step-content {
        max-height: none;
        min-height: calc(100vh - 70px);
        padding: 22px !important;
    }

    .centered-screen {
        min-height: calc(100vh - 70px);
    }

    .mode-grid,
    .reading-layout {
        grid-template-columns: 1fr;
    }

    .mode-card {
        min-height: 174px;
    }

    .mode-icon {
        height: 92px;
    }

    .reading-layout {
        gap: var(--space-md);
        text-align: center;
    }

    .reading-card {
        width: min(100%, 320px);
        margin: 0 auto;
    }

    .reading-action {
        justify-self: stretch;
    }
}

@media (max-width: 480px) {
    .step-content {
        border-radius: var(--radius-md);
    }

    .screen-title {
        font-size: 28px;
    }

    .mode-card {
        padding: 14px;
    }

    .card-display {
        width: min(72vw, 240px);
        height: min(112vw, 360px);
    }
}