/* ── Reset & Base ────────────────────────────────── */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* cloaked.agency brand */
    --grad-start: #4ca2bc;
    --grad-end: #03002e;
    --bg: #0a0a1a;
    --bg-card: #111128;
    --bg-modal: #161632;
    --text: #e8e8f0;
    --text-muted: #8888aa;
    --accent: #4ca2bc;
    --accent-hover: #5dbdda;
    --border: rgba(76, 162, 188, 0.15);
    --overlay: rgba(3, 0, 46, 0.75);
    --shadow: 0 25px 60px rgba(0, 0, 0, 0.5);
    --radius: 16px;
    --radius-sm: 10px;
    --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── Light theme ─────────────────────────────────── */
#theme-toggle:checked ~ .container,
#theme-toggle:checked ~ .modal {
    --bg: #f4f4f8;
    --bg-card: #ffffff;
    --bg-modal: #ffffff;
    --text: #1a1a2e;
    --text-muted: #666680;
    --border: rgba(76, 162, 188, 0.2);
    --overlay: rgba(244, 244, 248, 0.8);
    --shadow: 0 25px 60px rgba(0, 0, 0, 0.12);
}

#theme-toggle:checked ~ .bg-layer {
    opacity: 0;
}

html {
    font-size: 16px;
}

body {
    font-family: 'Poppins', sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow-x: hidden;
    transition: background var(--transition), color var(--transition);
}

/* ── Hidden toggles ──────────────────────────────── */
.modal-toggle {
    display: none;
}

/* ── Background layer ────────────────────────────── */
.bg-layer {
    position: fixed;
    inset: 0;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(76, 162, 188, 0.08) 0%, transparent 60%),
        radial-gradient(ellipse at 80% 20%, rgba(3, 0, 46, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 80%, rgba(76, 162, 188, 0.05) 0%, transparent 40%);
    pointer-events: none;
    z-index: 0;
    transition: opacity var(--transition);
}

/* ── Reel toggle ─────────────────────────────────── */
.reel-switch {
    position: fixed;
    top: 16px;
    left: 16px;
    z-index: 100;
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 20px;
    cursor: pointer;
    color: var(--text-muted);
    font-size: 0.7rem;
    font-weight: 500;
    transition: all var(--transition);
}

.reel-switch:hover {
    color: var(--accent);
    border-color: var(--accent);
}

#reel-toggle:checked ~ .container {
    max-width: 405px;
    min-height: 720px;
    aspect-ratio: 9 / 16;
}

/* ── Container ───────────────────────────────────── */
.container {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 520px;
    padding: 32px 28px;
    display: flex;
    flex-direction: column;
    gap: 28px;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── Top bar ─────────────────────────────────────── */
.top-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.profile-wrapper {
    display: flex;
    align-items: center;
    gap: 10px;
}

.profile {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--accent);
}

.profile-wrapper p {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text);
}

/* ── Theme switch ────────────────────────────────── */
.theme-switch {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
}

.theme-switch__icon {
    display: flex;
    color: var(--text-muted);
    transition: color var(--transition);
}

.theme-switch__track {
    width: 40px;
    height: 22px;
    background: var(--border);
    border-radius: 11px;
    position: relative;
    transition: background var(--transition);
}

.theme-switch__thumb {
    position: absolute;
    top: 3px;
    left: 3px;
    width: 16px;
    height: 16px;
    background: var(--accent);
    border-radius: 50%;
    transition: transform var(--transition);
}

#theme-toggle:checked ~ .container .theme-switch__thumb {
    transform: translateX(18px);
}

/* ── Title ───────────────────────────────────────── */
.title-group {
    text-align: center;
}

.title-label {
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--accent);
    margin-bottom: 8px;
}

h1 {
    font-size: 2.4rem;
    font-weight: 700;
    line-height: 1.1;
    color: var(--text);
}

.emph {
    background: linear-gradient(135deg, var(--grad-start), var(--grad-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.title-sub {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-top: 6px;
}

/* ── Grid ────────────────────────────────────────── */
.modals-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.modal-trigger {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 18px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text);
    transition: all var(--transition);
}

.modal-trigger:hover {
    border-color: var(--accent);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(76, 162, 188, 0.15);
}

.trigger__num {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: 8px;
    background: linear-gradient(135deg, var(--grad-start), var(--grad-end));
    color: #fff;
    font-size: 0.75rem;
    font-weight: 700;
    flex-shrink: 0;
}

/* ── Bottom text ─────────────────────────────────── */
.code-comments {
    text-align: center;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.bottom-bar {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    text-align: center;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.learning-link {
    display: flex;
    align-items: center;
    gap: 6px;
    font-weight: 600;
    color: var(--accent);
}

/* ══════════════════════════════════════════════════
   MODALS
   ══════════════════════════════════════════════════ */

.modal {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none;
    perspective: 1200px;
}

.modal__overlay {
    position: absolute;
    inset: 0;
    background: var(--overlay);
    opacity: 0;
    cursor: pointer;
    transition: opacity var(--transition);
}

.modal__box {
    position: relative;
    width: 90%;
    max-width: 420px;
    padding: 36px 32px;
    background: var(--bg-modal);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    transition: all 0.45s cubic-bezier(0.4, 0, 0.2, 1);
}

.modal__close {
    position: absolute;
    top: 14px;
    right: 18px;
    font-size: 1.6rem;
    color: var(--text-muted);
    cursor: pointer;
    line-height: 1;
    transition: color var(--transition);
}

.modal__close:hover {
    color: var(--accent);
}

.modal__title {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 12px;
    background: linear-gradient(135deg, var(--grad-start), var(--grad-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.modal__text {
    font-size: 0.88rem;
    line-height: 1.6;
    color: var(--text-muted);
    margin-bottom: 24px;
}

.modal__actions {
    display: flex;
    gap: 10px;
    justify-content: flex-end;
}

/* ── Buttons ─────────────────────────────────────── */
.btn {
    padding: 10px 22px;
    border-radius: 8px;
    font-size: 0.82rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
    font-family: inherit;
}

.btn--primary {
    background: linear-gradient(135deg, var(--grad-start), var(--grad-end));
    color: #fff;
    border: none;
}

.btn--primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(76, 162, 188, 0.35);
}

.btn--ghost {
    background: transparent;
    color: var(--text-muted);
    border: 1px solid var(--border);
}

.btn--ghost:hover {
    border-color: var(--accent);
    color: var(--text);
}

/* ══════════════════════════════════════════════════
   ANIMATION DEFAULTS (hidden state)
   ══════════════════════════════════════════════════ */

/* 1 ─ Fade */
.modal--fade .modal__box {
    opacity: 0;
    transform: translateY(20px);
}

/* 2 ─ Slide Up */
.modal--slide .modal__box {
    opacity: 0;
    transform: translateY(100px);
}

/* 3 ─ Scale */
.modal--scale .modal__box {
    opacity: 0;
    transform: scale(0.6);
}

/* 4 ─ Swing */
.modal--swing .modal__box {
    opacity: 0;
    transform: rotateX(-60deg);
    transform-origin: top center;
}

/* 5 ─ Flip */
.modal--flip .modal__box {
    opacity: 0;
    transform: rotateY(90deg);
}

/* 6 ─ Blur */
.modal--blur .modal__box {
    opacity: 0;
    filter: blur(20px);
    transform: scale(0.95);
}

.modal--blur .modal__overlay {
    backdrop-filter: blur(0px);
    -webkit-backdrop-filter: blur(0px);
}

/* 7 ─ Unfold (down) */
.modal--down .modal__box {
    opacity: 0;
    transform: translateY(-60px) scaleY(0.6);
    transform-origin: top center;
}

/* 8 ─ Rotate */
.modal--rotate .modal__box {
    opacity: 0;
    transform: rotate(-15deg) scale(0.7);
}

/* ══════════════════════════════════════════════════
   ACTIVE STATES (checkbox :checked)
   ══════════════════════════════════════════════════ */

/* 1 ─ Fade */
#modal-fade:checked ~ .modal--fade {
    pointer-events: auto;
}
#modal-fade:checked ~ .modal--fade .modal__overlay {
    opacity: 1;
}
#modal-fade:checked ~ .modal--fade .modal__box {
    opacity: 1;
    transform: translateY(0);
}

/* 2 ─ Slide Up */
#modal-slide:checked ~ .modal--slide {
    pointer-events: auto;
}
#modal-slide:checked ~ .modal--slide .modal__overlay {
    opacity: 1;
}
#modal-slide:checked ~ .modal--slide .modal__box {
    opacity: 1;
    transform: translateY(0);
}

/* 3 ─ Scale */
#modal-scale:checked ~ .modal--scale {
    pointer-events: auto;
}
#modal-scale:checked ~ .modal--scale .modal__overlay {
    opacity: 1;
}
#modal-scale:checked ~ .modal--scale .modal__box {
    opacity: 1;
    transform: scale(1);
}

/* 4 ─ Swing */
#modal-swing:checked ~ .modal--swing {
    pointer-events: auto;
}
#modal-swing:checked ~ .modal--swing .modal__overlay {
    opacity: 1;
}
#modal-swing:checked ~ .modal--swing .modal__box {
    opacity: 1;
    transform: rotateX(0);
}

/* 5 ─ Flip */
#modal-flip:checked ~ .modal--flip {
    pointer-events: auto;
}
#modal-flip:checked ~ .modal--flip .modal__overlay {
    opacity: 1;
}
#modal-flip:checked ~ .modal--flip .modal__box {
    opacity: 1;
    transform: rotateY(0);
}

/* 6 ─ Blur */
#modal-blur:checked ~ .modal--blur {
    pointer-events: auto;
}
#modal-blur:checked ~ .modal--blur .modal__overlay {
    opacity: 1;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}
#modal-blur:checked ~ .modal--blur .modal__box {
    opacity: 1;
    filter: blur(0);
    transform: scale(1);
}

/* 7 ─ Unfold */
#modal-down:checked ~ .modal--down {
    pointer-events: auto;
}
#modal-down:checked ~ .modal--down .modal__overlay {
    opacity: 1;
}
#modal-down:checked ~ .modal--down .modal__box {
    opacity: 1;
    transform: translateY(0) scaleY(1);
}

/* 8 ─ Rotate */
#modal-rotate:checked ~ .modal--rotate {
    pointer-events: auto;
}
#modal-rotate:checked ~ .modal--rotate .modal__overlay {
    opacity: 1;
}
#modal-rotate:checked ~ .modal--rotate .modal__box {
    opacity: 1;
    transform: rotate(0) scale(1);
}

/* ══════════════════════════════════════════════════
   RESPONSIVE
   ══════════════════════════════════════════════════ */

@media (max-width: 520px) {
    .container {
        padding: 24px 18px;
        gap: 20px;
    }

    h1 {
        font-size: 1.8rem;
    }

    .modals-grid {
        grid-template-columns: 1fr;
    }

    .modal__box {
        width: 94%;
        padding: 28px 22px;
    }
}