/* Reset et variables */
:root {
    --primary: #00BCD4;
    --primary-dark: #0097A7;
    --background: #0A0E1A;
    --text: #FFFFFF;
    --error: #FF5252;
    --card-bg: rgba(16, 20, 34, 0.8);
    --input-bg: rgba(255, 255, 255, 0.05);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

/* Base */
html, body {
    height: 100%;
    width: 100%;
    background: var(--background);
    overflow: hidden;
}

/* Container principal */
.login-wrapper {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Card de login */
.login-container {
    width: 400px;
    padding: 2.5rem;
    background: var(--card-bg);
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(8px);
}

/* Titre */
.login-container h1 {
    color: var(--text);
    font-size: 1.75rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    text-align: center;
}

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

.form-group input {
    width: 100%;
    padding: 0.875rem 1rem;
    background: var(--input-bg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    color: var(--text);
    font-size: 1rem;
    transition: all 0.2s ease;
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(0, 188, 212, 0.2);
}

.form-group input::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

/* Bouton */
.login-btn {
    width: 100%;
    padding: 0.875rem;
    background: var(--primary);
    color: var(--text);
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.login-btn:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
}

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

/* Message d'erreur */
.error-message {
    color: var(--error);
    font-size: 0.875rem;
    margin-bottom: 1rem;
    text-align: center;
}

/* Fond étoilé */
.background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}