/* ========================================
   WIZE INVOICE - BASE STYLES
   Shared across all pages
   ======================================== */

/* Import Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:ital,wght@0,100..900;1,100..900&display=swap');

/* CSS Variables - Themes */
:root {
    /* Theme: Emerald (Default) */
    --primary: #0F5C4B;
    --primary-dark: #0A4A3C;
    --primary-light: #1A7B65;
    --secondary: #FFB74D;
    --secondary-dark: #F5A623;
    --background: #F9FAFB;
    --surface: #FFFFFF;
    --text: #1E293B;
    --text-light: #64748B;
    --border: #E2E8F0;
    --error: #EF4444;
    --success: #10B981;
    --warning: #F59E0B;
    --info: #3B82F6;

    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 48px;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1);
}

/* Theme Variations (for per-invoice theming) */
.theme-ocean {
    --primary: #1E3A5F;
    --primary-dark: #152C4A;
    --secondary: #67E8F9;
}

.theme-coral {
    --primary: #E76F51;
    --primary-dark: #D45A3A;
    --secondary: #F4A261;
}

.theme-midnight {
    --primary: #2D1B4E;
    --primary-dark: #1F1235;
    --secondary: #F9A826;
}

.theme-minimal {
    --primary: #2C3E50;
    --primary-dark: #1A252F;
    --secondary: #95A5A6;
}

/* Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background-color: var(--background);
    color: var(--text);
    line-height: 1.5;
    min-height: 100vh;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    color: var(--text);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

/* Links */
a {
    color: var(--primary);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: var(--primary-dark);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: 10px 20px;
    font-size: 0.875rem;
    font-weight: 500;
    font-family: inherit;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.2s ease;
}

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

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background-color: var(--secondary);
    color: var(--text);
}

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

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

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

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

.btn-danger:hover {
    background-color: #dc2626;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 0.75rem;
}

.btn-lg {
    padding: 12px 24px;
    font-size: 1rem;
}

.btn-block {
    width: 100%;
}

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

.form-label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
    font-size: 0.875rem;
    color: var(--text);
}

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

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 10px 12px;
    font-size: 0.875rem;
    font-family: inherit;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    background-color: var(--surface);
    transition: all 0.2s ease;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(15, 92, 75, 0.1);
}

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

.form-error {
    color: var(--error);
    font-size: 0.75rem;
    margin-top: var(--spacing-xs);
}

/* Cards */
.card {
    background-color: var(--surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
}

.card-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border);
}

.card-header h3 {
    margin: 0;
}

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

.card-footer {
    padding: var(--spacing-lg);
    border-top: 1px solid var(--border);
    background-color: var(--background);
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* Navigation Bar */
.navbar {
    background-color: var(--surface);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

/* ========================================
   NEW LOGO STYLES - Option 4: WIZE / BILL
   ======================================== */
.navbar-brand {
    text-decoration: none;
}

.logo-box {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    border-radius: var(--radius-md);
    padding: 8px 14px;
    text-align: center;
    line-height: 1.2;
    transition: transform 0.2s ease;
}

.logo-box:hover {
    transform: scale(1.02);
}

.logo-line {
    display: block;
    font-weight: 800;
    letter-spacing: 1px;
}

.logo-line:first-child {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2px;
}

.logo-line:last-child {
    font-size: 0.7rem;
    color: rgba(255, 255, 255, 0.7);
    letter-spacing: 0.5px;
}

/* Mobile Logo */
@media (max-width: 768px) {
    .logo-box {
        padding: 6px 10px;
    }
    
    .logo-line:first-child {
        font-size: 0.85rem;
    }
    
    .logo-line:last-child {
        font-size: 0.6rem;
    }
}

/* Remove old navbar-brand styles */
.navbar-brand img {
    display: none;
}

.navbar-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.navbar-link {
    color: var(--text-light);
    font-weight: 500;
}

.navbar-link:hover,
.navbar-link.active {
    color: var(--primary);
}

.navbar-user {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

/* Logout Button - Smaller on Mobile */
@media (max-width: 768px) {
    #logout-btn,
    .navbar-user .btn-outline {
        padding: 4px 10px;
        font-size: 0.7rem;
    }
}

/* Bottom Navigation (Mobile) */
.bottom-nav {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: var(--surface);
    border-top: 1px solid var(--border);
    padding: var(--spacing-sm) 0;
    z-index: 100;
}

.bottom-nav-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: var(--spacing-sm);
    color: var(--text-light);
    font-size: 0.75rem;
    background: none;
    border: none;
    cursor: pointer;
}

.bottom-nav-item.active {
    color: var(--primary);
}

.bottom-nav-icon {
    font-size: 1.25rem;
}

/* Alerts */
.alert {
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
}

.alert-success {
    background-color: #d1fae5;
    color: #065f46;
    border: 1px solid #a7f3d0;
}

.alert-error {
    background-color: #fee2e2;
    color: #991b1b;
    border: 1px solid #fecaca;
}

.alert-warning {
    background-color: #fed7aa;
    color: #92400e;
    border: 1px solid #fdba74;
}

.alert-info {
    background-color: #dbeafe;
    color: #1e40af;
    border: 1px solid #bfdbfe;
}

/* Trial Banner */
.trial-banner {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    padding: var(--spacing-md);
    text-align: center;
    font-size: 0.875rem;
}

.trial-banner a {
    color: var(--secondary);
    font-weight: 600;
}

/* Grid */
.row {
    display: flex;
    flex-wrap: wrap;
    margin: 0 -12px;
}

.col {
    flex: 1;
    padding: 0 12px;
}

.col-2 { flex: 0 0 50%; max-width: 50%; }
.col-3 { flex: 0 0 33.333%; max-width: 33.333%; }
.col-4 { flex: 0 0 25%; max-width: 25%; }

/* Loading Spinner */
.spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid var(--border);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Utilities */
.text-center { text-align: center; }
.text-right { text-align: right; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.hidden { display: none; }

/* Responsive */
@media (max-width: 768px) {
    .navbar-menu {
        display: none;
    }

    .bottom-nav {
        display: flex;
    }

    body {
        padding-bottom: 70px;
    }

    .col-2, .col-3, .col-4 {
        flex: 0 0 100%;
        max-width: 100%;
    }

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

    h1 { font-size: 1.75rem; }
    h2 { font-size: 1.5rem; }
    h3 { font-size: 1.25rem; }
}