* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Roboto, sans-serif;
}

:root {
    --bg-main: #FFF7ED;
    --bg-panel: #FFFFFF;
    --text-main: #2D2D2D;
    --text-muted: #999999;
    --primary: #F97316;
    --primary-hover: #EA580C;
    --border: #FED7AA;
    --shadow-soft: 0 4px 12px rgba(249, 115, 22, 0.1);
    --shadow-hover: 0 12px 24px rgba(249, 115, 22, 0.2);
}

body {
    background-color: var(--bg-main);
    color: var(--text-main);
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    /* Fondo con un sutil degradado radial para dar profundidad */
    background: radial-gradient(ellipse at top, #FFFFFF 0%, #FFF3E8 50%, #FFEDD5 100%);
}

/* Animación de entrada al cargar la página */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.login-card {
    background-color: var(--bg-panel);
    padding: 40px;
    border-radius: 16px; /* Bordes un pelo más suaves */
    box-shadow: var(--shadow-soft);
    width: 100%;
    max-width: 420px;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    animation: fadeInUp 0.6s ease-out;
    border-top: 5px solid var(--primary);
}

/* Efecto de flotación interactiva */
.login-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.login-card h1 {
    font-size: 1.8rem;
    margin-bottom: 10px;
    color: var(--primary);
    font-weight: 700;
}

.login-card p {
    color: var(--text-muted);
    margin-bottom: 30px;
    font-size: 0.95rem;
}

.input-group {
    text-align: left;
    margin-bottom: 22px;
}

.input-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 8px;
    font-size: 0.85rem;
    color: var(--text-main);
    transition: color 0.2s;
}

.input-group input {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid var(--border); /* 2px para que se note el cambio de estado */
    border-radius: 8px;
    font-size: 1rem;
    background-color: #FAFAFA;
    transition: all 0.25s ease;
}

/* Animación del Input al hacer clic */
.input-group input:focus {
    outline: none;
    border-color: var(--primary);
    background-color: #FFFFFF;
    box-shadow: 0 0 0 4px rgba(249, 115, 22, 0.15);
}

/* El label cambia a azul cuando su input está activo */
.input-group:focus-within label {
    color: var(--primary);
}

.btn-primary {
    width: 100%;
    padding: 13px;
    background-color: var(--primary);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    margin-top: 10px;
    position: relative;
    overflow: hidden;
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 14px rgba(249, 115, 22, 0.35);
}

/* Efecto de pulsación física al hacer clic */
.btn-primary:active {
    transform: translateY(1px);
    box-shadow: none;
}