/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    font-weight: 500;
    background: var(--glass-border);
    border: 1px solid var(--glass-border);
    color: var(--text-main);
    cursor: pointer;
    transition: all 0.2s var(--ease);
    backdrop-filter: blur(4px);
}

.btn:hover {
    transform: translateY(-1px);
    background: rgba(255, 255, 255, 0.1);
}

.btn-primary {
    background: var(--primary);
    border-color: var(--primary);
}

.btn-primary:hover {
    background: var(--primary-dark);
}

/* Glass Card */
.glass-card {
    background: rgba(30, 41, 59, 0.5);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 2rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

/* Form Elements */
input,
select,
textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    color: var(--text-main);
    outline: none;
    transition: border-color 0.2s;
}

input:focus,
select:focus,
textarea:focus {
    border-color: var(--primary);
}

/* Modals */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(4px);
    z-index: 50;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s;
}

.modal-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.modal-content {
    background: var(--glass-bg-strong);
    width: 100%;
    max-width: 500px;
    border-radius: var(--radius-lg);
    padding: 2rem;
    transform: scale(0.95);
    transition: transform 0.3s;
}

.modal-overlay.active .modal-content {
    transform: scale(1);
}