/**
 * Common Styles for StocksBlitz Authentication & Settings Pages
 * Reusable components matching the dark theme aesthetic
 */

:root {
    /* Colors */
    --primary: #1890ff;
    --success: #52c41a;
    --error: #ff4d4f;
    --warning: #faad14;
    --info: #13c2c2;

    /* Backgrounds */
    --bg-dark: #141414;
    --bg-card: #1f1f1f;
    --bg-hover: #262626;
    --bg-input: #1a1a1a;
    --bg-modal: rgba(0,0,0,0.8);

    /* Text */
    --text-primary: #ffffff;
    --text-secondary: #8c8c8c;
    --text-muted: #595959;

    /* Borders */
    --border: #303030;
    --border-light: #434343;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.15);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.25);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.35);

    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 6px;
    --radius-lg: 8px;
    --radius-xl: 12px;

    /* Typography */
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-family);
    background: var(--bg-dark);
    color: var(--text-primary);
    font-size: 14px;
    line-height: 1.6;
}

/* Typography */
.heading-xl { font-size: 32px; font-weight: 700; line-height: 1.2; }
.heading-lg { font-size: 24px; font-weight: 700; line-height: 1.3; }
.heading-md { font-size: 20px; font-weight: 600; line-height: 1.4; }
.heading-sm { font-size: 16px; font-weight: 600; line-height: 1.5; }

.body-lg { font-size: 16px; line-height: 1.6; }
.body-md { font-size: 14px; line-height: 1.6; }
.body-sm { font-size: 12px; line-height: 1.5; }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: 10px 20px;
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    border: none;
    text-decoration: none;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

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

.btn-primary:hover:not(:disabled) {
    background: #40a9ff;
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.btn-success {
    background: var(--success);
    color: white;
}

.btn-success:hover:not(:disabled) {
    background: #73d13d;
    transform: translateY(-1px);
}

.btn-error {
    background: var(--error);
    color: white;
}

.btn-error:hover:not(:disabled) {
    background: #ff7875;
    transform: translateY(-1px);
}

.btn-secondary {
    background: var(--bg-hover);
    color: var(--text-primary);
    border: 1px solid var(--border);
}

.btn-secondary:hover:not(:disabled) {
    background: #303030;
    border-color: var(--border-light);
}

.btn-ghost {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border);
}

.btn-ghost:hover:not(:disabled) {
    background: var(--bg-hover);
    border-color: var(--border-light);
}

.btn-link {
    background: transparent;
    color: var(--primary);
    border: none;
    padding: 0;
}

.btn-link:hover {
    text-decoration: underline;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 13px;
}

.btn-lg {
    padding: 12px 24px;
    font-size: 16px;
}

.btn-block {
    width: 100%;
}

/* Input Fields */
.input, .textarea, .select {
    width: 100%;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 10px 14px;
    color: var(--text-primary);
    font-size: 14px;
    font-family: var(--font-family);
    transition: all 0.2s;
}

.input:focus, .textarea:focus, .select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(24, 144, 255, 0.1);
}

.input::placeholder, .textarea::placeholder {
    color: var(--text-muted);
}

.input:disabled, .textarea:disabled, .select:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.input-error, .textarea-error, .select-error {
    border-color: var(--error);
}

.input-error:focus, .textarea-error:focus, .select-error:focus {
    box-shadow: 0 0 0 3px rgba(255, 77, 79, 0.1);
}

.textarea {
    resize: vertical;
    min-height: 80px;
}

/* Form Elements */
.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.form-label-required::after {
    content: ' *';
    color: var(--error);
}

.form-help {
    display: block;
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: var(--spacing-xs);
}

.form-error {
    display: none;
    color: var(--error);
    font-size: 12px;
    margin-top: var(--spacing-xs);
}

.form-error.show {
    display: block;
}

.checkbox, .radio {
    width: 16px;
    height: 16px;
    cursor: pointer;
}

/* Cards */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
}

.card:hover {
    border-color: var(--border-light);
}

.card-header {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--border);
}

.card-body {
    padding: var(--spacing-md) 0;
}

.card-footer {
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-sm);
}

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
}

.badge-success {
    background: rgba(82, 196, 26, 0.15);
    color: var(--success);
}

.badge-error {
    background: rgba(255, 77, 79, 0.15);
    color: var(--error);
}

.badge-warning {
    background: rgba(250, 173, 20, 0.15);
    color: var(--warning);
}

.badge-primary {
    background: rgba(24, 144, 255, 0.15);
    color: var(--primary);
}

.badge-secondary {
    background: rgba(140, 140, 140, 0.15);
    color: var(--text-secondary);
}

/* Alerts */
.alert {
    padding: 12px 16px;
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    font-size: 14px;
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
}

.alert-success {
    background: rgba(82, 196, 26, 0.1);
    border: 1px solid rgba(82, 196, 26, 0.3);
    color: var(--success);
}

.alert-error {
    background: rgba(255, 77, 79, 0.1);
    border: 1px solid rgba(255, 77, 79, 0.3);
    color: var(--error);
}

.alert-warning {
    background: rgba(250, 173, 20, 0.1);
    border: 1px solid rgba(250, 173, 20, 0.3);
    color: var(--warning);
}

.alert-info {
    background: rgba(19, 194, 194, 0.1);
    border: 1px solid rgba(19, 194, 194, 0.3);
    color: var(--info);
}

/* Tables */
.table {
    width: 100%;
    border-collapse: collapse;
}

.table thead {
    background: var(--bg-hover);
}

.table th {
    padding: 12px;
    text-align: left;
    font-weight: 600;
    font-size: 13px;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border);
}

.table td {
    padding: 12px;
    border-bottom: 1px solid var(--border);
}

.table tbody tr:hover {
    background: var(--bg-hover);
    cursor: pointer;
}

.table tbody tr:last-child td {
    border-bottom: none;
}

/* Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-modal);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal-overlay.show {
    display: flex;
}

.modal {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
}

.modal-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-title {
    font-size: 20px;
    font-weight: 600;
}

.modal-close {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 24px;
    cursor: pointer;
    padding: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-close:hover {
    color: var(--text-primary);
    background: var(--bg-hover);
    border-radius: var(--radius-md);
}

.modal-body {
    padding: var(--spacing-lg);
}

.modal-footer {
    padding: var(--spacing-lg);
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-sm);
}

/* Loading Spinner */
.spinner {
    border: 2px solid rgba(255,255,255,0.1);
    border-top: 2px solid var(--primary);
    border-radius: 50%;
    width: 20px;
    height: 20px;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.spinner-sm {
    width: 16px;
    height: 16px;
}

.spinner-lg {
    width: 32px;
    height: 32px;
}

/* Utility Classes */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-left { text-align: left; }

.text-success { color: var(--success); }
.text-error { color: var(--error); }
.text-warning { color: var(--warning); }
.text-primary { color: var(--primary); }
.text-secondary { color: var(--text-secondary); }
.text-muted { color: var(--text-muted); }

.font-bold { font-weight: 700; }
.font-semibold { font-weight: 600; }
.font-medium { font-weight: 500; }
.font-normal { font-weight: 400; }

.mt-xs { margin-top: var(--spacing-xs); }
.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }

.mb-xs { margin-bottom: var(--spacing-xs); }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }

.p-xs { padding: var(--spacing-xs); }
.p-sm { padding: var(--spacing-sm); }
.p-md { padding: var(--spacing-md); }
.p-lg { padding: var(--spacing-lg); }
.p-xl { padding: var(--spacing-xl); }

.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.gap-xs { gap: var(--spacing-xs); }
.gap-sm { gap: var(--spacing-sm); }
.gap-md { gap: var(--spacing-md); }
.gap-lg { gap: var(--spacing-lg); }

.w-full { width: 100%; }
.h-full { height: 100%; }

.hidden { display: none; }
.block { display: block; }
.inline-block { display: inline-block; }

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.2s ease-out;
}

.slide-down {
    animation: slideDown 0.2s ease-out;
}