/* ==========================================================================
   VARIABLES
   ========================================================================== */
:root {
    --navy: #2C3E50;
    --warm-white: #FDFCFB;
    --light-gray: #E8EAED;
    --text-primary: #2D3436;
    --text-secondary: #636E72;
    --font-display: 'Cormorant Garamond', serif;
    --font-body: 'DM Sans', sans-serif;
    --space-sm: 1rem;
    --space-md: 2rem;
    --space-lg: 3rem;
    --border-thin: 1px solid var(--light-gray);
    --transition-base: 0.3s ease;
}

/* ==========================================================================
   BASE
   ========================================================================== */
body {
    font-family: var(--font-body);
    font-size: 15px;
    line-height: 1.7;
    color: var(--text-primary);
    background-color: var(--warm-white);
}

/* ==========================================================================
   NAVBAR
   ========================================================================== */
.navbar {
    background-color: var(--warm-white) !important;
    border-bottom: var(--border-thin);
    padding: var(--space-sm) 0;
}

.navbar-brand {
    font-family: var(--font-display);
    font-size: 1.4rem;
    font-weight: 500;
    color: var(--navy) !important;
    transition: opacity var(--transition-base);
}

    .navbar-brand:hover {
        opacity: 0.7;
    }

.nav-link {
    font-family: var(--font-body);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary) !important;
    transition: color var(--transition-base);
}

    .nav-link:hover {
        color: var(--navy) !important;
    }

/* ==========================================================================
   ALERTS
   ========================================================================== */
.alert {
    border-radius: 0;
    border: var(--border-thin);
    padding: var(--space-sm);
    background-color: var(--light-gray);
    color: var(--text-primary);
}

.alert-success {
    border-left: 3px solid var(--navy);
}

.alert-danger {
    border-left: 3px solid crimson;
}

/* ==========================================================================
   BOTONES
   ========================================================================== */
.btn {
    border-radius: 0 !important;
    font-family: var(--font-body);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 500;
    padding: 0.6rem 1.5rem;
    transition: all var(--transition-base);
}

.btn-primary {
    background-color: transparent;
    border: 1px solid var(--navy);
    color: var(--navy);
}

    .btn-primary:hover {
        background-color: var(--navy);
        color: var(--warm-white);
    }

.btn-success {
    background-color: var(--navy);
    border: 1px solid var(--navy);
    color: var(--warm-white);
}

    .btn-success:hover {
        background-color: #1A252F;
        transform: translateY(-2px);
    }

/* ==========================================================================
   FOOTER
   ========================================================================== */
footer {
    background-color: var(--warm-white);
    border-top: var(--border-thin);
    color: var(--text-secondary);
    padding: var(--space-md) 0;
    text-align: center;
}

    footer a {
        color: var(--text-secondary);
        text-decoration: none;
        transition: color var(--transition-base);
    }

        footer a:hover {
            color: var(--navy);
        }


/* ==========================================================================
   LOGIN CARD - Minimal & Refined
   ========================================================================== */
.login-card {
    border: var(--border-thin);
    border-radius: 0;
    background-color: var(--warm-white);
    box-shadow: 0 8px 24px rgba(44, 62, 80, 0.08);
    transition: all var(--transition-base);
}

    .login-card:hover {
        transform: translateY(-4px);
        box-shadow: 0 12px 32px rgba(44, 62, 80, 0.12);
    }

    .login-card .card-header {
        background-color: transparent;
        border-bottom: var(--border-thin);
        padding: var(--space-md);
        font-family: var(--font-display);
        font-size: 1.5rem;
        font-weight: 500;
        color: var(--navy);
    }

    .login-card .card-body {
        padding: var(--space-md);
    }

    /* Inputs */
    .login-card .form-control {
        border: var(--border-thin);
        border-radius: 0;
        padding: 0.75rem 1rem;
        font-size: 0.95rem;
        background-color: var(--warm-white);
        transition: all var(--transition-base);
    }

        .login-card .form-control:focus {
            border-color: var(--navy);
            box-shadow: 0 0 0 2px rgba(44, 62, 80, 0.1);
        }

    /* Labels */
    .login-card .form-label {
        font-size: 0.85rem;
        letter-spacing: 0.05em;
        text-transform: uppercase;
        font-weight: 500;
        color: var(--text-secondary);
        margin-bottom: var(--space-sm);
    }

    /* Botón principal */
    .login-card .btn-primary {
        background-color: transparent;
        border: 1px solid var(--navy);
        color: var(--navy);
        font-weight: 600;
        text-transform: uppercase;
        letter-spacing: 0.05em;
    }

        .login-card .btn-primary:hover {
            background-color: var(--navy);
            color: var(--warm-white);
        }

    /* Texto inferior */
    .login-card small.text-muted {
        font-size: 0.85rem;
        color: var(--text-secondary);
    }


/* ==========================================================================
   REGISTER CARD - Minimal & Refined
   ========================================================================== */
.register-card {
    border: var(--border-thin);
    border-radius: 0;
    background-color: var(--warm-white);
    box-shadow: 0 8px 24px rgba(44, 62, 80, 0.08);
    transition: all var(--transition-base);
}

    .register-card:hover {
        transform: translateY(-4px);
        box-shadow: 0 12px 32px rgba(44, 62, 80, 0.12);
    }

    .register-card .card-header {
        background-color: transparent;
        border-bottom: var(--border-thin);
        padding: var(--space-md);
        font-family: var(--font-display);
        font-size: 1.5rem;
        font-weight: 500;
        color: var(--navy);
    }

    .register-card .card-body {
        padding: var(--space-md);
    }

    /* Inputs */
    .register-card .form-control {
        border: var(--border-thin);
        border-radius: 0;
        padding: 0.75rem 1rem;
        font-size: 0.95rem;
        background-color: var(--warm-white);
        transition: all var(--transition-base);
    }

        .register-card .form-control:focus {
            border-color: var(--navy);
            box-shadow: 0 0 0 2px rgba(44, 62, 80, 0.1);
        }

    /* Labels */
    .register-card .form-label {
        font-size: 0.85rem;
        letter-spacing: 0.05em;
        text-transform: uppercase;
        font-weight: 500;
        color: var(--text-secondary);
        margin-bottom: var(--space-sm);
    }

    /* Botón principal */
    .register-card .btn-success {
        background-color: var(--navy);
        border: 1px solid var(--navy);
        color: var(--warm-white);
        font-weight: 600;
        text-transform: uppercase;
        letter-spacing: 0.05em;
    }

        .register-card .btn-success:hover {
            background-color: #1A252F;
            transform: translateY(-2px);
        }

    /* Texto inferior */
    .register-card .text-center a {
        color: var(--navy);
        text-decoration: none;
        transition: color var(--transition-base);
    }

        .register-card .text-center a:hover {
            color: var(--text-secondary);
        }