/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 16px 32px;
    border: none;
    border-radius: 100px;
    font-family: var(--font);
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    transition: all var(--transition);
    user-select: none;
    -webkit-tap-highlight-color: transparent;
    letter-spacing: -0.2px;
}

.btn--primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 50%, var(--accent) 100%);
    background-size: 200% 200%;
    color: white;
    box-shadow: 0 4px 20px rgba(155, 115, 255, 0.45), inset 0 1px 0 rgba(255,255,255,0.15);
    animation: slideUp 0.7s cubic-bezier(0.4, 0, 0.2, 1) 0.4s both;
}

.btn--primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 35px rgba(155, 115, 255, 0.55), inset 0 1px 0 rgba(255,255,255,0.15);
    background-position: right center;
}

.btn--primary:active {
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(155, 115, 255, 0.4);
}

.btn--primary:disabled {
    opacity: 0.35;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.btn--secondary {
    background: rgba(155, 115, 255, 0.1);
    color: var(--primary-light);
    border: 1.5px solid rgba(155, 115, 255, 0.4);
    backdrop-filter: blur(10px);
}

.btn--secondary:hover {
    background: rgba(155, 115, 255, 0.2);
    border-color: var(--primary-light);
}

.btn--ghost {
    background: transparent;
    color: var(--text-muted);
    padding: 12px 20px;
    font-size: 14px;
    font-weight: 600;
    border: 1px solid var(--glass-border);
    border-radius: 100px;
}

.btn--ghost:hover {
    color: var(--text-secondary);
    border-color: rgba(255, 255, 255, 0.15);
    background: rgba(255, 255, 255, 0.04);
}

.btn--full { width: 100%; }

.btn--telegram {
    background: linear-gradient(135deg, #2AABEE 0%, #229ED9 100%);
    color: white;
    box-shadow: 0 4px 20px rgba(42, 171, 238, 0.35);
    border: none;
    text-decoration: none;
    font-size: 15px;
    font-weight: 600;
    padding: 14px 28px;
    animation: slideUp 0.7s cubic-bezier(0.4, 0, 0.2, 1) 0.45s both;
}

.btn--telegram:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 35px rgba(42, 171, 238, 0.5);
    background: linear-gradient(135deg, #34B6F5 0%, #2AABEE 100%);
}

.btn--telegram:active {
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(42, 171, 238, 0.35);
}

.btn-telegram__icon {
    flex-shrink: 0;
}

/* ===== SHARE BUTTON ===== */
.btn--share {
    background: linear-gradient(135deg, #25D366, #128C7E);
    color: white;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.3);
}

.btn--copied {
    background: rgba(74, 222, 128, 0.15) !important;
    color: var(--green) !important;
    border-color: rgba(74, 222, 128, 0.4) !important;
}

/* ===== BACK BUTTON ===== */
.btn-back {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 6px 0;
    border: none;
    background: transparent;
    color: var(--text-muted);
    font-family: var(--font);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: color var(--transition);
    margin-bottom: 8px;
}

.btn-back:hover { color: var(--primary-light); }

/* Admin buttons */
.btn--small {
    padding: 6px 12px;
    font-size: 0.78rem;
    border-radius: var(--radius-xs);
    min-width: unset;
}

.btn--danger {
    background: rgba(248, 113, 113, 0.15);
    color: var(--red);
    border: 1px solid rgba(248, 113, 113, 0.3);
}
.btn--danger:hover {
    background: rgba(248, 113, 113, 0.25);
}