/* SHS Tools - Premium Dark Theme */
/* Modern, minimal design with gold accents */

:root {
    /* Primary Colors - Refined Gold */
    --gold: #C9A227;
    --gold-light: #D4B03A;
    --gold-dark: #A88B1F;
    --gold-muted: rgba(201, 162, 39, 0.1);

    /* Legacy variables for compatibility */
    --primary-yellow: var(--gold);
    --bright-yellow: var(--gold-light);
    --dark-black: #0a0a0a;
    --light-black: #141414;
    --white: #f5f5f5;
    --gray: #2a2a2a;

    /* Dark Palette */
    --bg-primary: #0a0a0a;
    --bg-secondary: #0f0f0f;
    --bg-tertiary: #161616;
    --bg-card: #121212;
    --bg-elevated: #1a1a1a;

    /* Text Colors */
    --text-primary: #f5f5f5;
    --text-secondary: #999999;
    --text-muted: #5a5a5a;

    /* Borders */
    --border-subtle: #1e1e1e;
    --border-default: #2a2a2a;
    --border-hover: #3a3a3a;

    /* Status */
    --success: #22c55e;
    --success-muted: rgba(34, 197, 94, 0.1);
    --error: #ef4444;
    --error-muted: rgba(239, 68, 68, 0.1);

    /* Effects */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 0 30px rgba(201, 162, 39, 0.08);
    --transition-fast: 150ms ease;
    --transition-base: 200ms ease;
}

/* ==================== RESET ==================== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Inter', 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

/* ==================== LAYOUT ==================== */
.main {
    flex: 1 0 auto;
    background: var(--bg-primary);
}

.container {
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ==================== HEADER ==================== */
.header {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-subtle);
    padding: 14px 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header .container > div {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-logo {
    height: 44px !important;
    width: auto !important;
    transition: opacity var(--transition-fast);
}

.header-logo:hover {
    opacity: 0.8;
}

.header h1 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

/* Navigation */
.nav-links {
    display: flex;
    align-items: center;
    gap: 20px;
}

.nav-links span {
    color: var(--text-secondary) !important;
    font-size: 0.8125rem;
}

.nav-links a {
    color: var(--gold) !important;
    text-decoration: none;
    font-weight: 500;
    font-size: 0.8125rem;
    padding: 6px 12px;
    border-radius: 6px;
    transition: var(--transition-fast);
}

.nav-links a:hover {
    background: var(--gold-muted);
}

/* ==================== DASHBOARD ==================== */
.dashboard {
    background: transparent;
    padding: 48px 0 64px;
    border-radius: 0;
    box-shadow: none;
    margin: 0;
}

.dashboard h2 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 6px;
    text-align: left;
    letter-spacing: -0.02em;
}

.dashboard > p,
.dashboard p[style*="text-align: center"] {
    color: var(--text-secondary) !important;
    margin-bottom: 32px !important;
    font-size: 0.9375rem;
    text-align: left !important;
}

/* Tools Grid */
.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin-top: 24px;
}

/* Tool Cards */
.tool-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: 12px;
    padding: 24px;
    text-align: left;
    transition: var(--transition-base);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.tool-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--gold), transparent);
    opacity: 0;
    transition: var(--transition-base);
}

.tool-card:hover {
    border-color: var(--border-hover);
    background: var(--bg-elevated);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.tool-card:hover::before {
    opacity: 0.6;
}

.tool-icon {
    width: 44px;
    height: 44px;
    background: var(--gold-muted);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
    font-size: 1.125rem;
    color: var(--gold);
}

.tool-card h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.tool-card p {
    color: var(--text-secondary);
    font-size: 0.8125rem;
    line-height: 1.5;
    margin-bottom: 0;
}

/* Locked Cards */
.tool-card[style*="opacity: 0.7"] {
    opacity: 0.5 !important;
}

.tool-card[style*="cursor: not-allowed"]:hover {
    transform: none;
    box-shadow: none;
    border-color: var(--border-subtle);
    background: var(--bg-card);
}

/* Lock Badge */
.tool-card > div[style*="position: absolute"] {
    background: var(--bg-tertiary) !important;
    color: var(--text-muted) !important;
    border: 1px solid var(--border-subtle) !important;
    font-size: 0.6875rem !important;
    padding: 3px 8px !important;
    border-radius: 4px !important;
}

/* ==================== LOGIN PAGE ==================== */
.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: calc(100vh - 180px);
    padding: 48px 24px;
}

.login-box {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: 16px;
    padding: 40px;
    width: 100%;
    max-width: 400px;
    box-shadow: var(--shadow-lg);
}

.login-box h2 {
    font-size: 1.375rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 6px;
    text-align: center;
}

.login-box > p {
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: 28px;
    font-size: 0.875rem;
}

/* Form Elements */
.form-group {
    margin-bottom: 18px;
    text-align: left;
}

.form-group label {
    display: block;
    color: var(--text-secondary);
    font-size: 0.8125rem;
    font-weight: 500;
    margin-bottom: 6px;
}

.form-group input {
    width: 100%;
    padding: 11px 14px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-default);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 0.9375rem;
    transition: var(--transition-fast);
}

.form-group input::placeholder {
    color: var(--text-muted);
}

.form-group input:focus {
    outline: none;
    border-color: var(--gold);
    box-shadow: 0 0 0 3px var(--gold-muted);
}

.form-group input:hover:not(:focus) {
    border-color: var(--border-hover);
}

/* Primary Button */
.btn-primary {
    width: 100%;
    padding: 12px 20px;
    background: var(--gold);
    color: var(--bg-primary);
    border: none;
    border-radius: 8px;
    font-size: 0.9375rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-base);
    margin-top: 6px;
}

.btn-primary:hover:not(:disabled) {
    background: var(--gold-light);
    box-shadow: var(--shadow-glow);
}

.btn-primary:active:not(:disabled) {
    transform: scale(0.98);
}

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

.btn-primary i {
    margin-right: 6px;
}

/* ==================== MESSAGES ==================== */
.error-message {
    background: var(--error-muted);
    border: 1px solid rgba(239, 68, 68, 0.2);
    color: #fca5a5;
    padding: 12px 14px;
    border-radius: 8px;
    margin-bottom: 18px;
    font-size: 0.8125rem;
    text-align: center;
}

.success-message {
    background: var(--success-muted);
    border: 1px solid rgba(34, 197, 94, 0.2);
    color: #86efac;
    padding: 12px 14px;
    border-radius: 8px;
    margin-bottom: 18px;
    font-size: 0.8125rem;
    text-align: center;
}

/* ==================== LOADING SPINNER ==================== */
.loading-spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid var(--bg-primary);
    border-radius: 50%;
    border-top-color: transparent;
    animation: spin 0.7s linear infinite;
    vertical-align: middle;
    margin-right: 6px;
}

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

/* ==================== FOOTER ==================== */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-subtle);
    padding: 20px 0;
    margin-top: auto;
}

.footer p {
    color: var(--text-muted) !important;
    font-size: 0.8125rem;
    font-weight: 400 !important;
    text-align: center;
}

/* ==================== RESPONSIVE ==================== */
@media (max-width: 768px) {
    .header h1 {
        font-size: 0.9375rem;
    }

    .header-logo {
        height: 36px !important;
    }

    .header .container > div {
        flex-direction: column;
        gap: 14px;
        text-align: center;
    }

    .header .container > div > div:first-child {
        flex-direction: column;
        gap: 10px;
    }

    .nav-links {
        flex-direction: row;
        gap: 16px;
    }

    .tools-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .tool-card {
        padding: 20px;
    }

    .login-box {
        padding: 32px 24px;
        margin: 16px;
    }

    .dashboard {
        padding: 32px 0 48px;
    }

    .dashboard h2 {
        font-size: 1.25rem;
        text-align: center;
    }

    .dashboard > p,
    .dashboard p[style*="text-align: center"] {
        text-align: center !important;
    }
}

@media (max-width: 480px) {
    .header h1 {
        font-size: 0.875rem;
    }

    .header-logo {
        height: 32px !important;
    }

    .login-box {
        padding: 28px 20px;
    }

    .login-box h2 {
        font-size: 1.25rem;
    }

    .tool-card {
        padding: 18px;
    }

    .btn-primary {
        padding: 11px 18px;
    }

    .container {
        padding: 0 16px;
    }
}

/* ==================== UTILITY ==================== */
.text-gold {
    color: var(--gold);
}

.text-muted {
    color: var(--text-muted);
}

/* ==================== ANIMATIONS ==================== */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes slideIn {
    from { opacity: 0; transform: translateY(-8px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    20%, 60% { transform: translateX(-3px); }
    40%, 80% { transform: translateX(3px); }
}

/* Logo Containers (legacy support) */
.logo-container-header,
.logo-container-login {
    transition: var(--transition-fast);
}

.logo-container-header:hover,
.logo-container-login:hover {
    opacity: 0.8;
}

/* Navigation legacy */
.nav-bar {
    background: var(--bg-secondary);
    padding: 12px 0;
    border-bottom: 1px solid var(--border-subtle);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 24px;
}

.nav-brand {
    color: var(--gold);
    font-size: 1.125rem;
    font-weight: 600;
    text-decoration: none;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    padding: 6px 12px;
    border-radius: 6px;
    transition: var(--transition-fast);
    font-size: 0.875rem;
}

.nav-link:hover {
    background: var(--gold-muted);
    color: var(--gold);
}