/* ==========================================================================
   Login IAPOS — Estilos Modernos (Google Workspace + Apple HIG)
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', Roboto, sans-serif;
    
    --bg-canvas: #0b1329;
    --bg-surface: #ffffff;
    --bg-surface-subtle: #f8fafc;
    --border-subtle: #e2e8f0;
    --border-focus: #2563eb;
    
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-tertiary: #94a3b8;
    
    --brand-primary: #2563eb;
    --brand-primary-hover: #1d4ed8;
    --brand-primary-glow: rgba(37, 99, 235, 0.25);
    
    --color-danger: #ef4444;
    --color-danger-bg: #fef2f2;
    --color-danger-border: #fecaca;
    --color-danger-text: #991b1b;
    
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-pill: 9999px;
    
    --shadow-card: 0 20px 40px -10px rgba(0, 0, 0, 0.3), 0 1px 3px 0 rgba(0, 0, 0, 0.1);
}

[data-theme="dark"] {
    --bg-canvas: #070b14;
    --bg-surface: #111827;
    --bg-surface-subtle: #1a2236;
    --border-subtle: rgba(255, 255, 255, 0.08);
    --border-focus: #3b82f6;
    
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-tertiary: #64748b;
    
    --brand-primary: #3b82f6;
    --brand-primary-hover: #60a5fa;
    --brand-primary-glow: rgba(59, 130, 246, 0.3);
    
    --color-danger-bg: rgba(239, 68, 68, 0.15);
    --color-danger-border: rgba(248, 113, 113, 0.3);
    --color-danger-text: #fca5a5;
    
    --shadow-card: 0 25px 50px -12px rgba(0, 0, 0, 0.6), 0 0 0 1px rgba(255, 255, 255, 0.06);
}

*, *::before, *::after {
    box-sizing: border-box;
}

body.login-page {
    min-height: 100vh;
    margin: 0;
    padding: 0;
    font-family: var(--font-sans);
    background-color: var(--bg-canvas);
    background-image: 
        radial-gradient(at 0% 0%, rgba(37, 99, 235, 0.18) 0px, transparent 50%),
        radial-gradient(at 100% 100%, rgba(99, 102, 241, 0.15) 0px, transparent 50%),
        radial-gradient(at 50% 50%, rgba(16, 185, 129, 0.08) 0px, transparent 60%);
    background-attachment: fixed;
    display: flex;
    align-items: center;
    justify-content: center;
    -webkit-font-smoothing: antialiased;
}

.login-container {
    width: 100%;
    max-width: 440px;
    padding: 24px;
}

.login-card-aura {
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    overflow: hidden;
    transition: all 0.3s ease;
}

.login-header-aura {
    padding: 36px 32px 24px;
    text-align: center;
    border-bottom: 1px solid var(--border-subtle);
    background: var(--bg-surface);
}

.login-logo-mark {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--brand-primary) 0%, #1e40af 100%);
    color: #ffffff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    margin-bottom: 16px;
    box-shadow: 0 4px 14px var(--brand-primary-glow);
}

.login-title {
    font-size: 20px;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text-primary);
    margin: 0 0 6px 0;
}

.login-subtitle {
    font-size: 13px;
    color: var(--text-secondary);
    margin: 0;
}

.login-body-aura {
    padding: 28px 32px 32px;
}

/* Alert Error */
.login-alert-danger {
    background: var(--color-danger-bg);
    border: 1px solid var(--color-danger-border);
    color: var(--color-danger-text);
    padding: 12px 14px;
    border-radius: var(--radius-md);
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

/* Form Controls */
.login-form-group {
    margin-bottom: 18px;
}

.login-form-group label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.login-input-wrap {
    position: relative;
    display: flex;
    align-items: center;
}

.login-input-icon {
    position: absolute;
    left: 14px;
    color: var(--text-tertiary);
    font-size: 14px;
    pointer-events: none;
}

.login-input-control {
    width: 100%;
    height: 42px;
    font-family: var(--font-sans);
    font-size: 13px;
    color: var(--text-primary);
    background: var(--bg-surface-subtle);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: 10px 14px 10px 38px;
    outline: none;
    transition: all 0.2s ease;
}

.login-input-control:focus {
    background: var(--bg-surface);
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px var(--brand-primary-glow);
}

.btn-login-submit {
    width: 100%;
    height: 44px;
    background: var(--brand-primary);
    color: #ffffff;
    border: none;
    border-radius: var(--radius-md);
    font-family: var(--font-sans);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 24px;
    transition: all 0.2s ease;
    box-shadow: 0 2px 6px var(--brand-primary-glow);
}

.btn-login-submit:hover {
    background: var(--brand-primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px var(--brand-primary-glow);
}

.btn-login-submit:active {
    transform: translateY(0);
}

.login-footer-aura {
    padding: 14px 24px;
    background: var(--bg-surface-subtle);
    border-top: 1px solid var(--border-subtle);
    text-align: center;
    font-size: 11px;
    color: var(--text-tertiary);
}