/* =========================================
   LOGIN THEME: DEEP SPACE
   ========================================= */

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

:root {
    /* Base Colors - Deep Space (Même que Admin) */
    --bg-deep: #030305;
    --glass-panel: rgba(20, 20, 25, 0.65);
    --glass-border: rgba(255, 255, 255, 0.08);
    
    /* Neons & Accents */
    --primary: #6d28d9;       /* Deep Purple */
    --primary-glow: #8b5cf6;  /* Violet Light */
    --accent: #06b6d4;        /* Cyan Cyberpunk */
    --accent-glow: #22d3ee;
    
    --text-main: #ffffff;
    --text-muted: #94a3b8;
    --danger: #f43f5e;

    --radius-xl: 24px;
    --radius-md: 12px;
    
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
}

* { box-sizing: border-box; outline: none; margin: 0; padding: 0; }

body {
    font-family: var(--font-body);
    background-color: var(--bg-deep);
    color: var(--text-main);
    height: 100vh;
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
    
    /* Background identique à Admin */
    background-image: 
        radial-gradient(circle at 15% 50%, rgba(109, 40, 217, 0.15), transparent 25%),
        radial-gradient(circle at 85% 30%, rgba(6, 182, 212, 0.15), transparent 25%);
}

/* Grille Overlay */
body::before {
    content: "";
    position: absolute; inset: 0;
    background-image: linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 40px 40px;
    z-index: -1;
    mask-image: linear-gradient(to bottom, black 20%, transparent 100%);
    pointer-events: none;
}

/* --- LOGIN CARD --- */
.login-card {
    background: var(--glass-panel);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    padding: 50px 40px;
    border-radius: var(--radius-xl);
    width: 100%; 
    max-width: 420px;
    text-align: center;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.6);
    position: relative;
    overflow: hidden;
    animation: slideUp 0.8s cubic-bezier(0.2, 0.8, 0.2, 1);
}

/* Neon Top Line */
.login-card::before {
    content: ''; position: absolute; top:0; left:0; right:0; height: 1px;
    background: linear-gradient(90deg, transparent, var(--primary), transparent);
    box-shadow: 0 0 20px var(--primary);
}

h1 {
    font-family: var(--font-heading);
    font-weight: 700;
    color: white;
    font-size: 2rem;
    margin-bottom: 5px;
    letter-spacing: 1px;
    text-shadow: 0 0 30px rgba(109, 40, 217, 0.4);
}

.subtitle {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--accent);
    margin-bottom: 40px;
    display: block;
    font-weight: 600;
    opacity: 0.8;
}

/* --- FORM ELEMENTS --- */
.input-group { margin-bottom: 25px; }

input {
    width: 100%;
    padding: 18px;
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid var(--glass-border);
    color: var(--accent-glow);
    border-radius: var(--radius-md);
    font-size: 1.2rem;
    text-align: center;
    font-family: var(--font-heading);
    font-weight: 600;
    letter-spacing: 4px;
    transition: all 0.3s ease;
}

input:focus {
    border-color: var(--accent);
    background: rgba(6, 182, 212, 0.05);
    box-shadow: 0 0 30px rgba(6, 182, 212, 0.15);
}

input::placeholder { 
    color: var(--text-muted); 
    letter-spacing: 1px; 
    font-size: 0.9rem; 
    font-weight: 400;
    font-family: var(--font-body);
}

/* Button style "Master Action" */
button {
    width: 100%;
    padding: 18px;
    background: linear-gradient(135deg, var(--primary) 0%, #4c1d95 100%);
    color: white;
    border: none;
    font-weight: 700;
    border-radius: var(--radius-md);
    cursor: pointer;
    font-size: 0.95rem;
    font-family: var(--font-heading);
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(109, 40, 217, 0.4);
}

button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(109, 40, 217, 0.6);
}
button:active { transform: scale(0.98); }

/* --- ERROR --- */
.error-msg {
    color: var(--danger);
    background: rgba(244, 63, 94, 0.1);
    border: 1px solid rgba(244, 63, 94, 0.3);
    padding: 12px;
    border-radius: var(--radius-md);
    margin-bottom: 25px;
    font-size: 0.9rem;
    font-weight: 500;
    display: none;
    animation: shake 0.4s ease-in-out;
}

.footer-text {
    margin-top: 30px;
    font-size: 0.75rem;
    color: var(--text-muted);
    opacity: 0.5;
}

@keyframes slideUp { from { transform: translateY(40px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }
@keyframes shake { 0%, 100% { transform: translateX(0); } 25% { transform: translateX(-5px); } 75% { transform: translateX(5px); } }

.tierce-fill {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    border-radius: 30px; /* Arrondi à gauche comme la piste */
    opacity: 0.3; /* Transparence pour ne pas être trop agressif */
    z-index: 1; /* Derrière l'avatar (qui est z-index 2) */
    transition: width 0.8s cubic-bezier(0.34, 1.56, 0.64, 1); /* Même vitesse que l'avatar */
    box-shadow: 0 0 15px currentColor; /* Petite lueur */
}