/* VIV-IT SMS Portal Styles */

:root {
    --viv-primary: #00a651;
    --viv-dark: #008041;
    --viv-black: #1a1a1a;
    --viv-light: #f4f6f8;
    --viv-gray: #6c757d;
    --viv-border: #e0e0e0;
}

* {
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--viv-light);
}

/* Sidebar Styling */
.sidebar {
    min-height: 100vh;
    background: linear-gradient(180deg, var(--viv-black) 0%, #252525 100%);
    box-shadow: 4px 0 20px rgba(0,0,0,0.15);
}

.sidebar .logo-section {
    padding: 1.5rem 1rem;
    border-bottom: 1px solid rgba(255,255,255,0.08);
    background: linear-gradient(135deg, rgba(0,166,81,0.15) 0%, rgba(0,128,65,0.05) 100%);
}

.sidebar .logo-section img {
    max-width: 140px;
    height: auto;
    margin-bottom: 0.5rem;
}

.sidebar .logo-section .subtitle {
    color: var(--viv-primary);
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.sidebar .nav-link {
    color: #bbb;
    padding: 0.85rem 1.25rem;
    margin: 0.25rem 0.75rem;
    border-radius: 8px;
    border-left: 3px solid transparent;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    font-size: 0.95rem;
}

.sidebar .nav-link:hover {
    color: #fff;
    background: linear-gradient(90deg, rgba(0,166,81,0.15) 0%, rgba(0,166,81,0.05) 100%);
    border-left-color: var(--viv-primary);
    transform: translateX(4px);
}

.sidebar .nav-link.active {
    color: #fff;
    background: linear-gradient(90deg, rgba(0,166,81,0.25) 0%, rgba(0,166,81,0.1) 100%);
    border-left-color: var(--viv-primary);
    font-weight: 500;
    box-shadow: 0 2px 8px rgba(0,166,81,0.2);
}

.sidebar .nav-link i {
    width: 22px;
    margin-right: 10px;
    font-size: 1.1rem;
}

.sidebar .user-info {
    padding: 1.25rem;
    margin-top: auto;
    border-top: 1px solid rgba(255,255,255,0.08);
    background: linear-gradient(180deg, rgba(0,0,0,0.3) 0%, rgba(0,0,0,0.2) 100%);
}

.sidebar .user-info .btn-outline-light {
    border-color: rgba(255,255,255,0.3);
    transition: all 0.3s ease;
}

.sidebar .user-info .btn-outline-light:hover {
    background-color: var(--viv-primary);
    border-color: var(--viv-primary);
}

/* Main Content */
.main-content {
    min-height: 100vh;
}

/* Buttons */
.btn-primary {
    background: linear-gradient(135deg, var(--viv-primary) 0%, var(--viv-dark) 100%);
    border: none;
    padding: 0.6rem 1.5rem;
    font-weight: 500;
    box-shadow: 0 4px 12px rgba(0,166,81,0.3);
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--viv-dark) 0%, #006633 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0,166,81,0.4);
}

/* Cards */
.card {
    border: none;
    border-radius: 12px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.08);
    transition: box-shadow 0.3s ease;
}

.card:hover {
    box-shadow: 0 4px 20px rgba(0,0,0,0.12);
}

.card-header {
    background: linear-gradient(135deg, var(--viv-primary) 0%, var(--viv-dark) 100%);
    color: white;
    font-weight: 500;
    border-radius: 12px 12px 0 0 !important;
    padding: 1rem 1.25rem;
}

/* Alerts */
.alert-success {
    background-color: rgba(0,166,81,0.1);
    border-color: var(--viv-primary);
    color: var(--viv-dark);
}

/* Badges */
.badge-success {
    background-color: var(--viv-primary);
}

/* Typography */
h1, h2 {
    color: var(--viv-black);
    font-weight: 600;
}

/* Forms */
.form-label {
    font-weight: 500;
    color: #555;
}

.form-control:focus, .form-select:focus {
    border-color: var(--viv-primary);
    box-shadow: 0 0 0 0.2rem rgba(0,166,81,0.15);
}