/* ============================================================
   animations.css — Cursor magnético, keyframes, transiciones
   XAUUSD Academy
   ============================================================ */

/* -------------------------
   CUSTOM CURSOR
------------------------- */
#cursor-dot {
    position: fixed;
    width: 8px;
    height: 8px;
    background: var(--gold-bright);
    border-radius: 50%;
    pointer-events: none;
    z-index: 10000;
    transform: translate(-50%, -50%);
    transition: width 0.2s, height 0.2s, background 0.2s;
    mix-blend-mode: screen;
}

#cursor-ring {
    position: fixed;
    width: 36px;
    height: 36px;
    border: 1px solid var(--gold-mid);
    border-radius: 50%;
    pointer-events: none;
    z-index: 9999;
    transform: translate(-50%, -50%);
    transition: width 0.35s cubic-bezier(.25, .46, .45, .94),
        height 0.35s cubic-bezier(.25, .46, .45, .94),
        border-color 0.2s, opacity 0.3s;
    opacity: 0.7;
}

body.cursor-hover #cursor-ring {
    width: 60px;
    height: 60px;
    border-color: var(--gold-bright);
    opacity: 1;
}

body.cursor-hover #cursor-dot {
    width: 4px;
    height: 4px;
}

/* -------------------------
   KEYFRAMES
------------------------- */
@keyframes ticker {
    0% {
        transform: translateX(0);
    }

    100% {
        transform: translateX(-50%);
    }
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.4;
    }
}

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(24px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes shimmer {
    0% {
        background-position: -200% center;
    }

    100% {
        background-position: 200% center;
    }
}

/* -------------------------
   MODULE LESSON PAGE SHARED
   (usado por m1, m2, etc.)
------------------------- */

/* Sidebar progress nav */
.lesson-layout {
    display: grid;
    grid-template-columns: 260px 1fr;
    min-height: 100vh;
    padding-top: 80px;
    z-index: 2;
    position: relative;
}

.lesson-sidebar {
    border-right: 1px solid var(--border-dim);
    padding: 40px 28px;
    position: sticky;
    top: 80px;
    height: calc(100vh - 80px);
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.sidebar-module-tag {
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--gold-mid);
}

.sidebar-lessons {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.sidebar-lesson {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    border-radius: 6px;
    cursor: none;
    transition: background 0.2s;
    text-decoration: none;
    color: var(--white-dim);
    font-size: 13px;
    font-family: var(--font-body);
    border: 1px solid transparent;
}

.sidebar-lesson:hover {
    background: var(--gold-glass);
    color: var(--white);
}

.sidebar-lesson.active {
    background: var(--gold-glass);
    border-color: var(--border-gold);
    color: var(--gold-bright);
}

.sidebar-lesson-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    border: 1px solid var(--border-gold);
    min-width: 6px;
    transition: background 0.2s;
}

.sidebar-lesson.active .sidebar-lesson-dot,
.sidebar-lesson.done .sidebar-lesson-dot {
    background: var(--gold-mid);
}

.sidebar-back {
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--white-dim);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: color 0.2s;
    margin-top: auto;
}

.sidebar-back:hover {
    color: var(--gold-bright);
}

/* Main lesson content */
.lesson-content {
    padding: 48px 64px;
    max-width: 860px;
}

.lesson-header {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 48px;
    padding-bottom: 32px;
    border-bottom: 1px solid var(--border-dim);
}

.lesson-tag {
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--gold-mid);
}

.lesson-title {
    font-family: var(--font-title);
    font-size: clamp(32px, 4vw, 52px);
    font-weight: 800;
    line-height: 1.05;
    letter-spacing: -0.02em;
}

.lesson-title span {
    color: var(--gold-bright);
}

.lesson-meta {
    display: flex;
    gap: 20px;
}

.lesson-meta-item {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--white-dim);
    letter-spacing: 0.08em;
}

/* Lesson body typography */
.lesson-body {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.lesson-block {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.lesson-block h2 {
    font-family: var(--font-title);
    font-size: 22px;
    font-weight: 700;
    color: var(--white);
}

.lesson-block h3 {
    font-family: var(--font-title);
    font-size: 17px;
    font-weight: 600;
    color: var(--gold-bright);
}

.lesson-block p {
    font-size: 16px;
    font-weight: 300;
    line-height: 1.8;
    color: var(--white-dim);
}

.lesson-block p strong {
    color: var(--white);
    font-weight: 500;
}

/* Info card inside lesson */
.info-card {
    background: var(--bg-card);
    border: 1px solid var(--border-gold);
    border-radius: 10px;
    padding: 24px 28px;
    backdrop-filter: blur(16px);
    position: relative;
    overflow: hidden;
}

.info-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--gold-mid), transparent);
}

.info-card-title {
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--gold-mid);
    margin-bottom: 12px;
}

.info-card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 20px;
}

.info-card-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.info-card-val {
    font-family: var(--font-mono);
    font-size: 18px;
    font-weight: 500;
    color: var(--gold-bright);
}

.info-card-lbl {
    font-size: 12px;
    color: var(--white-dim);
}

/* Key concept callout */
.concept-callout {
    border-left: 2px solid var(--gold-mid);
    padding: 16px 20px;
    background: rgba(212, 175, 55, 0.04);
    border-radius: 0 8px 8px 0;
}

.concept-callout p {
    font-size: 15px;
    line-height: 1.7;
    color: var(--white-dim);
}

.concept-callout p strong {
    color: var(--gold-bright);
}

/* Formula display */
.formula-box {
    background: rgba(8, 1, 15, 0.8);
    border: 1px solid var(--border-dim);
    border-radius: 8px;
    padding: 20px 24px;
    font-family: var(--font-mono);
    font-size: 15px;
    color: var(--gold-bright);
    letter-spacing: 0.04em;
    text-align: center;
}

/* Table */
.lesson-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

.lesson-table th {
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--gold-mid);
    padding: 10px 16px;
    text-align: left;
    border-bottom: 1px solid var(--border-gold);
}

.lesson-table td {
    padding: 12px 16px;
    color: var(--white-dim);
    border-bottom: 1px solid var(--border-dim);
}

.lesson-table td:first-child {
    color: var(--white);
    font-weight: 400;
}

.lesson-table tr:hover td {
    background: var(--gold-glass);
}

/* Exercise section */
.exercise-section {
    background: var(--bg-card);
    border: 1px solid var(--border-dim);
    border-radius: 12px;
    padding: 36px 40px;
    backdrop-filter: blur(16px);
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin-top: 16px;
}

.exercise-tag {
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--gold-mid);
    display: flex;
    align-items: center;
    gap: 8px;
}

.exercise-tag::before {
    content: '';
    display: block;
    width: 20px;
    height: 1px;
    background: var(--gold-mid);
}

.exercise-title {
    font-family: var(--font-title);
    font-size: 20px;
    font-weight: 700;
}

/* Nav between lessons */
.lesson-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 32px 0 48px;
    border-top: 1px solid var(--border-dim);
    margin-top: 48px;
}

.lesson-nav-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--white-dim);
    text-decoration: none;
    transition: color 0.2s;
    cursor: none;
}

.lesson-nav-btn:hover {
    color: var(--gold-bright);
}

.lesson-nav-btn.next {
    font-family: var(--font-title);
    font-size: 14px;
    font-weight: 700;
    color: var(--gold-mid);
}

.lesson-nav-btn.next:hover {
    color: var(--gold-bright);
}