/* ============================================
   BUTTON COMPONENTS
   Primary, secondary, ghost buttons with effects
   ============================================ */

/* ========== BASE BUTTON ========== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    font-weight: 700;
    font-size: var(--text-base);
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-wide);
    border-radius: var(--radius-sm);
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition:
        background-color var(--duration-normal) var(--ease-smooth),
        color var(--duration-normal) var(--ease-smooth),
        transform var(--duration-fast) var(--ease-smooth),
        box-shadow var(--duration-normal) var(--ease-smooth);
}

/* Primary button - Magenta */
.btn {
    background: transparent;
    border: 2px solid var(--rot-magenta);
    color: var(--rot-magenta);
}

.btn:hover {
    background: var(--rot-magenta);
    color: var(--rot-void);
    box-shadow: var(--glow-magenta);
}

.btn:active {
    transform: scale(0.98);
}

/* Glitch effect on hover */
.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg,
            transparent 0%,
            rgba(255, 255, 255, 0.3) 50%,
            transparent 100%);
    transition: left var(--duration-slow);
}

.btn:hover::before {
    left: 100%;
}

/* ========== SOCIAL BUTTON ========== */
.social-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-3) var(--space-6);
    border: 2px solid var(--rot-accent);
    border-radius: var(--radius-sm);
    color: var(--rot-accent);
    font-weight: 700;
    text-decoration: none;
    position: relative;
    overflow: hidden;
    transition:
        all var(--duration-normal) var(--ease-smooth);
}

.social-btn:hover {
    background: var(--rot-accent);
    color: var(--rot-void);
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow-aqua);
}

.social-btn::after {
    content: '';
    position: absolute;
    inset: 0;
    background: repeating-linear-gradient(90deg,
            transparent 0px,
            transparent 2px,
            rgba(0, 255, 204, 0.1) 2px,
            rgba(0, 255, 204, 0.1) 4px);
    opacity: 0;
    transition: opacity var(--duration-fast);
}

.social-btn:hover::after {
    opacity: 1;
    animation: scanline-drift 0.5s linear infinite;
}

/* ========== GHOST BUTTON ========== */
.btn-ghost {
    background: transparent;
    border: 2px solid var(--rot-border);
    color: var(--rot-text-muted);
}

.btn-ghost:hover {
    border-color: var(--rot-aqua);
    color: var(--rot-aqua);
    background: rgba(0, 255, 204, 0.1);
}

/* ========== ICON BUTTON ========== */
.btn-icon {
    padding: var(--space-3);
    border-radius: var(--radius-full);
    aspect-ratio: 1;
}

/* ========== BUTTON SIZES ========== */
.btn-sm {
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-sm);
}

.btn-lg {
    padding: var(--space-4) var(--space-8);
    font-size: var(--text-lg);
}

/* ========== GLITCH BUTTON ========== */
.btn-glitch {
    position: relative;
}

.btn-glitch::after {
    content: attr(data-text);
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: inherit;
    opacity: 0;
}

.btn-glitch:hover::after {
    animation: btn-glitch 0.3s steps(2) infinite;
}

@keyframes btn-glitch {

    0%,
    100% {
        opacity: 0;
        transform: translateX(0);
        text-shadow: none;
    }

    25% {
        opacity: 0.8;
        transform: translateX(-2px);
        text-shadow: 2px 0 var(--rot-aqua), -2px 0 var(--rot-magenta);
    }

    75% {
        opacity: 0.5;
        transform: translateX(2px);
        text-shadow: -2px 0 var(--rot-aqua), 2px 0 var(--rot-magenta);
    }
}

/* ========== MODE VARIATIONS ========== */
[data-mode="corporate"] .btn {
    border-color: var(--rot-text-primary);
    color: var(--rot-text-primary);
}

[data-mode="corporate"] .btn:hover {
    background: var(--rot-text-primary);
    color: var(--rot-void);
    box-shadow: var(--shadow-md);
}

[data-mode="corporate"] .btn::before,
[data-mode="corporate"] .social-btn::after {
    display: none;
}

/* ========== DISABLED STATE ========== */
.btn:disabled,
.btn[aria-disabled="true"] {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

/* ========== FOCUS STATE ========== */
.btn:focus-visible,
.social-btn:focus-visible {
    outline: 2px solid var(--rot-aqua);
    outline-offset: 3px;
}