/* ========================================
   BLOCKZONE ACADEMY - MASTER STYLESHEET
   Single entry point - imports all partials
   
   RULE: All HTML files import ONLY this file.
   Never import partials directly.
   ======================================== */

@import '_variables.css';
@import '_base.css';
@import '_layout.css';
@import '_buttons.css';
@import '_cards.css';
@import '_interactive.css';
@import '_quiz.css';
@import '_progress.css';
@import '_responsive.css';

/* ========================================
   ADDITIONAL UTILITIES
   ======================================== */

/* Text Utilities */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.text-primary { color: var(--text-primary); }
.text-secondary { color: var(--text-secondary); }
.text-muted { color: var(--text-muted); }
.text-cyan { color: var(--neon-cyan); }
.text-orange { color: var(--btc-orange); }
.text-success { color: var(--success); }
.text-error { color: var(--error); }

.font-mono { font-family: var(--font-mono); }
.font-accent { font-family: var(--font-accent); }

.font-bold { font-weight: var(--font-bold); }
.font-semibold { font-weight: var(--font-semibold); }

/* Spacing Utilities */
.mt-0 { margin-top: 0; }
.mt-2 { margin-top: var(--space-2); }
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }

.mb-0 { margin-bottom: 0; }
.mb-2 { margin-bottom: var(--space-2); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }

.py-4 { padding-top: var(--space-4); padding-bottom: var(--space-4); }
.py-8 { padding-top: var(--space-8); padding-bottom: var(--space-8); }
.px-4 { padding-left: var(--space-4); padding-right: var(--space-4); }
.px-6 { padding-left: var(--space-6); padding-right: var(--space-6); }

/* Display Utilities */
.hidden { display: none; }
.block { display: block; }
.inline-block { display: inline-block; }
.flex { display: flex; }
.grid { display: grid; }

.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }

.gap-2 { gap: var(--space-2); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }

/* Visibility */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Animations */
.animate-fade-in {
    animation: fadeIn var(--transition-normal) ease-out;
}

.animate-slide-up {
    animation: slideUp var(--transition-normal) ease-out;
}

.animate-pulse {
    animation: pulse 2s ease-in-out infinite;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* Dividers */
.divider {
    height: 1px;
    background: var(--border-light);
    margin: var(--space-6) 0;
}

.divider-vertical {
    width: 1px;
    height: 100%;
    background: var(--border-light);
}

/* Gradient Text */
.gradient-text {
    background: linear-gradient(135deg, var(--neon-cyan), var(--btc-orange));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Neon Glow Effects */
.glow-cyan {
    box-shadow: var(--glow-cyan);
}

.glow-orange {
    box-shadow: var(--glow-effect);
}

.glow-green {
    box-shadow: var(--glow-green);
}

/* Glass Effect */
.glass {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
}

/* Truncate Text */
.truncate {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.line-clamp-2 {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.line-clamp-3 {
    display: -webkit-box;
    -webkit-line-clamp: 3;
    line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}