/* Buttons */
.btn {
    display: inline-block;
    padding: 0.65rem 1.5rem;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    font-size: 1rem;
    font-weight: 500;
    text-align: center;
    transition: background 0.15s;
}

.btn-primary {
    background: var(--color-secondary);
    color: #fff;
}

.btn-primary:hover {
    background: var(--color-primary);
    color: #fff;
    text-decoration: none;
}

.btn-danger {
    background: var(--color-danger);
    color: #fff;
}

.btn-danger:hover {
    background: #c94703;
    color: #fff;
    text-decoration: none;
}

.btn-outline {
    background: transparent;
    color: var(--color-secondary);
    border: 1.5px solid var(--color-secondary);
}

.btn-outline:hover {
    background: var(--color-secondary);
    color: #fff;
    text-decoration: none;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* Forms */
.form-group {
    margin-bottom: 1.25rem;
}

.form-label {
    display: block;
    margin-bottom: 0.35rem;
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--color-text);
}

.form-label .required {
    color: var(--color-danger);
    margin-left: 2px;
}

.form-input {
    width: 100%;
    padding: 0.6rem 0.75rem;
    border: 1.5px solid #d0d0d0;
    border-radius: var(--radius);
    font-size: 1rem;
    color: var(--color-text);
    background: #fff;
    transition: border-color 0.15s;
}

.form-input:focus {
    outline: none;
    border-color: var(--color-secondary);
}

.form-input.is-invalid {
    border-color: var(--color-danger);
}

textarea.form-input {
    resize: vertical;
    min-height: 72px;
}

.error-message {
    color: var(--color-danger);
    font-size: 0.8125rem;
    margin-top: 0.3rem;
    display: none;
}

.error-message.visible {
    display: block;
}

/* Alerts */
.alert {
    padding: 0.85rem 1rem;
    border-radius: var(--radius);
    font-size: 0.9375rem;
    margin-bottom: 1.25rem;
}

.alert-error {
    background: #fde8e0;
    border-left: 4px solid var(--color-danger);
    color: #b83200;
}

.alert-success {
    background: #e8f5e9;
    border-left: 4px solid #2e7d32;
    color: #1b5e20;
}

/* Card */
.card {
    background: var(--color-surface);
    padding: 1.5rem;
    border-radius: var(--radius);
}

/* Confirm Modal */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.45);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal-box {
    background: #fff;
    border-radius: var(--radius);
    padding: 1.75rem 2rem;
    min-width: 300px;
    max-width: 440px;
    width: 90%;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.18);
}

.modal-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 0.5rem;
}

.modal-message {
    font-size: 0.9375rem;
    color: var(--color-text);
    margin-bottom: 1.5rem;
    line-height: 1.5;
}

.modal-actions {
    display: flex;
    gap: 0.75rem;
    justify-content: flex-end;
}

.modal-box-lg {
    max-width: 480px;
}

.modal-form .form-group:last-of-type {
    margin-bottom: 0;
}

/* Toast */
#toast-container {
    position: fixed;
    top: 1.5rem;
    right: 1.5rem;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    pointer-events: none;
}

.toast {
    padding: 0.75rem 1.25rem;
    border-radius: var(--radius);
    font-size: 0.9rem;
    font-weight: 500;
    max-width: 360px;
    opacity: 0;
    transition: opacity 0.2s;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.toast-error {
    background: #fde8e0;
    color: #b83200;
    border-left: 4px solid var(--color-danger);
}

.toast-success {
    background: #e8f5e9;
    color: #2e7d32;
    border-left: 4px solid #2e7d32;
}