.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 24px;border-radius:8px;font-weight:600;font-size:1rem;text-decoration:none;border:none;cursor:pointer;transition:all .3s ease;min-height:44px;line-height:1.5}.btn--primary{background:linear-gradient(135deg,#FF8A00 0%,#E67E00 100%);color:#fff;box-shadow:0 4px 12px rgba(255,138,0,.3)}.btn--primary:hover{background:linear-gradient(135deg,#E67E00 0%,#CC6E00 100%);transform:translateY(-2px);box-shadow:0 6px 16px rgba(255,138,0,.4);color:#fff}.btn--primary:active{transform:translateY(0);box-shadow:0 2px 8px rgba(255,138,0,.3)}.btn--primary-admin{background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);color:#fff}.btn--primary-admin:hover{background:linear-gradient(135deg,#3730a3 0%,#6b21a8 100%);transform:translateY(-2px);box-shadow:0 5px 15px rgba(102,126,234,.4);color:#fff}.btn--primary-var{background:var(--primary,#FF8A00);color:white}.btn--primary-var:hover{background:var(--primary-dark,#E67E00);color:white}.btn--secondary{background:#e5e7eb;color:#374151}.btn--secondary:hover{background:#d1d5db;transform:translateY(-2px);box-shadow:0 5px 15px rgba(0,0,0,.15);color:#374151}.btn--outline{background:transparent;border:2px solid var(--color-primary,#FF8A00);color:var(--color-primary,#FF8A00)}.btn--outline:hover{background:var(--color-primary,#FF8A00);color:white}.btn--success{background:linear-gradient(135deg,#4facfe 0%,#00f2fe 100%);color:white}.btn--success:hover{background:linear-gradient(135deg,#3d8bfe 0%,#00d9fe 100%);transform:translateY(-2px)}.btn--warning{background:linear-gradient(135deg,#fa709a 0%,#fee140 100%);color:white}.btn--warning:hover{background:linear-gradient(135deg,#f95a8a 0%,#fed030 100%);transform:translateY(-2px)}.btn--danger{background:linear-gradient(135deg,#ff6b6b 0%,#ffa500 100%);color:white}.btn--danger:hover{background:linear-gradient(135deg,#f55 0%,#ff9500 100%);transform:translateY(-2px)}.btn--small{padding:8px 16px;font-size:.875rem;min-height:36px}.btn--large{padding:16px 32px;font-size:1.125rem;min-height:52px}.btn--full{width:100%}.btn--block{display:block;width:100%}.btn:disabled,.btn--disabled{opacity:.6;cursor:not-allowed;pointer-events:none}.btn--loading{position:relative;color:transparent}.btn--loading::after{content:'';position:absolute;width:16px;height:16px;top:50%;left:50%;margin-left:-8px;margin-top:-8px;border:2px solid currentColor;border-top-color:transparent;border-radius:50%;animation:btn-spin .6s linear infinite}@keyframes btn-spin{to{transform:rotate(360deg)}}.btn--icon{padding:8px;min-width:44px;min-height:44px}.btn:focus{outline:2px solid var(--color-primary,#FF8A00);outline-offset:2px}.btn:focus:not(:focus-visible){outline:none}@media (max-width:768px){.btn{padding:10px 20px;font-size:.95rem}.btn--small{padding:6px 12px;font-size:.8rem}.btn--large{padding:14px 28px;font-size:1rem}}.btn-primary{background:linear-gradient(135deg,#FF8A00 0%,#E67E00 100%);color:#fff;box-shadow:0 4px 12px rgba(255,138,0,.3)}.btn-primary-admin-legacy{background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);color:#fff}.btn-success{background:linear-gradient(135deg,#4facfe 0%,#00f2fe 100%);color:white}.btn-warning{background:linear-gradient(135deg,#fa709a 0%,#fee140 100%);color:white}.btn-danger{background:linear-gradient(135deg,#ff6b6b 0%,#ffa500 100%);color:white}.btn-secondary{background:#e5e7eb;color:#374151}