/* AdPulse Shared Styles */
* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
    --black: #0a0a0a;
    --white: #fafafa;
    --pulse: #ff4d00;
    --pulse-light: #ff6b2b;
    --gray-100: #f5f5f5;
    --gray-200: #e5e5e5;
    --gray-400: #a3a3a3;
    --gray-600: #525252;
    --gray-800: #262626;
    --green: #10b981;
    --red: #ef4444;
    --yellow: #f59e0b;
}

body {
    font-family: 'DM Sans', sans-serif;
    background: var(--black);
    color: var(--white);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 { font-family: 'Space Grotesk', sans-serif; }

a { color: var(--pulse); text-decoration: none; }
a:hover { color: var(--pulse-light); }

/* AUTH LAYOUT */
.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    position: relative;
}

.auth-page::before {
    content: '';
    position: absolute;
    top: -200px;
    right: -200px;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(255,77,0,0.08) 0%, transparent 70%);
    pointer-events: none;
}

.auth-card {
    width: 100%;
    max-width: 420px;
    position: relative;
    z-index: 2;
}

.auth-logo {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: 1.75rem;
    letter-spacing: -0.5px;
    color: var(--white);
    text-decoration: none;
    display: block;
    margin-bottom: 2.5rem;
}

.auth-logo span { color: var(--pulse); }

.auth-card h1 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    letter-spacing: -0.5px;
}

.auth-card .subtitle {
    color: var(--gray-400);
    margin-bottom: 2rem;
    font-size: 0.95rem;
}

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

.form-group label {
    display: block;
    font-size: 0.85rem;
    color: var(--gray-400);
    margin-bottom: 0.4rem;
    font-weight: 500;
}

.form-group input, .form-group select {
    width: 100%;
    padding: 0.75rem 1rem;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 8px;
    color: var(--white);
    font-size: 0.95rem;
    font-family: 'DM Sans', sans-serif;
    transition: border-color 0.2s;
    outline: none;
}

.form-group input:focus, .form-group select:focus {
    border-color: var(--pulse);
    background: rgba(255,77,0,0.03);
}

.form-group input::placeholder {
    color: var(--gray-600);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.btn-submit {
    width: 100%;
    padding: 0.85rem;
    background: var(--pulse);
    color: var(--white);
    border: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1rem;
    font-family: 'DM Sans', sans-serif;
    cursor: pointer;
    transition: all 0.25s;
    margin-top: 0.5rem;
}

.btn-submit:hover {
    background: var(--pulse-light);
    transform: translateY(-1px);
}

.btn-submit:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.error-msg {
    background: rgba(239,68,68,0.1);
    border: 1px solid rgba(239,68,68,0.2);
    color: #fca5a5;
    padding: 0.75rem 1rem;
    border-radius: 8px;
    font-size: 0.88rem;
    margin-bottom: 1rem;
    display: none;
}

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

.auth-footer {
    margin-top: 2rem;
    text-align: center;
    color: var(--gray-400);
    font-size: 0.9rem;
}

.auth-footer a {
    color: var(--pulse);
    font-weight: 600;
}

/* DASHBOARD LAYOUT */
.app-nav {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 100;
    padding: 0.9rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(10,10,10,0.92);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255,255,255,0.06);
}

.app-nav .logo {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: 1.3rem;
    color: var(--white);
    text-decoration: none;
}

.app-nav .logo span { color: var(--pulse); }

.app-nav-right {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.app-nav-right .user-name {
    color: var(--gray-400);
    font-size: 0.85rem;
}

.btn-logout {
    background: none;
    border: 1px solid var(--gray-800);
    color: var(--gray-400);
    padding: 0.4rem 1rem;
    border-radius: 6px;
    font-size: 0.8rem;
    cursor: pointer;
    font-family: 'DM Sans', sans-serif;
    transition: all 0.2s;
}

.btn-logout:hover {
    border-color: var(--gray-600);
    color: var(--white);
}

.app-content {
    padding: 5rem 2rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

/* METRIC CARDS */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.metric-card {
    padding: 1.5rem;
    background: rgba(255,255,255,0.02);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: 12px;
    transition: border-color 0.3s;
}

.metric-card:hover {
    border-color: rgba(255,255,255,0.12);
}

.metric-label {
    font-size: 0.75rem;
    color: var(--gray-400);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 0.5rem;
}

.metric-value {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: -1px;
}

.metric-value.pulse { color: var(--pulse); }
.metric-value.green { color: var(--green); }

/* TABLES */
.data-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
}

.data-table th {
    text-align: left;
    padding: 0.75rem 1rem;
    font-size: 0.75rem;
    color: var(--gray-400);
    text-transform: uppercase;
    letter-spacing: 1px;
    border-bottom: 1px solid rgba(255,255,255,0.06);
    font-family: 'Space Grotesk', sans-serif;
}

.data-table td {
    padding: 0.85rem 1rem;
    font-size: 0.9rem;
    border-bottom: 1px solid rgba(255,255,255,0.04);
    color: var(--gray-200);
}

.data-table tbody tr:hover {
    background: rgba(255,255,255,0.02);
}

/* STATUS BADGES */
.badge {
    display: inline-block;
    padding: 0.2rem 0.7rem;
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.badge-active {
    background: rgba(16,185,129,0.1);
    color: var(--green);
    border: 1px solid rgba(16,185,129,0.2);
}

.badge-paused {
    background: rgba(245,158,11,0.1);
    color: var(--yellow);
    border: 1px solid rgba(245,158,11,0.2);
}

.badge-ended {
    background: rgba(239,68,68,0.1);
    color: var(--red);
    border: 1px solid rgba(239,68,68,0.2);
}

/* CHART CONTAINER */
.chart-section {
    background: rgba(255,255,255,0.02);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 2rem;
}

.chart-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.chart-title {
    font-size: 1.1rem;
    font-weight: 600;
}

.period-select {
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.1);
    color: var(--white);
    padding: 0.4rem 0.8rem;
    border-radius: 6px;
    font-size: 0.8rem;
    font-family: 'DM Sans', sans-serif;
    cursor: pointer;
}

/* SECTION HEADERS */
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.section-header h2 {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.page-title {
    font-size: 1.75rem;
    font-weight: 700;
    letter-spacing: -1px;
    margin-bottom: 0.5rem;
}

.page-subtitle {
    color: var(--gray-400);
    font-size: 0.95rem;
    margin-bottom: 2rem;
}

/* MODALS */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.7);
    backdrop-filter: blur(4px);
    z-index: 200;
    align-items: center;
    justify-content: center;
}

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

.modal {
    background: #1a1a1a;
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 16px;
    padding: 2rem;
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
}

.modal h3 {
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
}

.modal-actions {
    display: flex;
    gap: 0.75rem;
    justify-content: flex-end;
    margin-top: 1.5rem;
}

.btn-cancel {
    background: transparent;
    border: 1px solid var(--gray-800);
    color: var(--gray-400);
    padding: 0.6rem 1.5rem;
    border-radius: 8px;
    font-size: 0.9rem;
    cursor: pointer;
    font-family: 'DM Sans', sans-serif;
}

.btn-save {
    background: var(--pulse);
    color: var(--white);
    border: none;
    padding: 0.6rem 1.5rem;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    font-family: 'DM Sans', sans-serif;
    transition: all 0.2s;
}

.btn-save:hover {
    background: var(--pulse-light);
}

/* TABS */
.tabs {
    display: flex;
    gap: 0;
    border-bottom: 1px solid rgba(255,255,255,0.06);
    margin-bottom: 2rem;
}

.tab {
    padding: 0.75rem 1.5rem;
    font-size: 0.9rem;
    color: var(--gray-400);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: all 0.2s;
    background: none;
    border-top: none;
    border-left: none;
    border-right: none;
    font-family: 'DM Sans', sans-serif;
}

.tab:hover { color: var(--white); }
.tab.active {
    color: var(--white);
    border-bottom-color: var(--pulse);
}

/* PLATFORM ICONS */
.platform-icon {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.85rem;
}

.platform-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.platform-dot.google { background: #4285f4; }
.platform-dot.meta { background: #1877f2; }
.platform-dot.linkedin { background: #0a66c2; }
.platform-dot.tiktok { background: #ff0050; }

/* EMPTY STATE */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--gray-400);
}

.empty-state h3 {
    font-size: 1.25rem;
    color: var(--white);
    margin-bottom: 0.5rem;
}

/* RESPONSIVE */
@media (max-width: 768px) {
    .app-content { padding: 4.5rem 1rem 1.5rem; }
    .metrics-grid { grid-template-columns: repeat(2, 1fr); }
    .form-row { grid-template-columns: 1fr; }
    .data-table { font-size: 0.8rem; }
    .data-table th, .data-table td { padding: 0.6rem 0.5rem; }
    .chart-section { padding: 1rem; }
    .section-header { flex-direction: column; align-items: flex-start; gap: 0.75rem; }
}

@media (max-width: 480px) {
    .metrics-grid { grid-template-columns: 1fr; }
}