* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: "Segoe UI", Tahoma, Geneva, sans-serif;
    background-color: var(--color-page-bg);
    -webkit-font-smoothing: antialiased;
}


.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
}

.login-card {
    background: var(--color-card-bg);
    width: 100%; 
    max-width: 420px; 
    padding: 32px 24px 28px; 
    border-radius: 16px;
    box-shadow: var(--shadow-card);
    animation: fadeSlideUp 0.35s ease;
}

@keyframes fadeSlideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.login-card::before {
    content: '';
    display: block;
    width: 40px;
    height: 4px;
    background: var(--color-accent-bar);
    border-radius: 10px;
    margin: 0 auto 24px;
}

.login-card h2 {
    text-align: center;
    margin-bottom: 6px;
    font-size: 20px; 
    font-weight: 700;
    color: var(--color-text-dark);
    letter-spacing: -0.3px;
}

.login-subtitle {
    text-align: center;
    font-size: 13px;
    color: var(--color-text-muted);
    margin-bottom: 28px;
    line-height: 1.5;
}

.login-error {
    background: var(--color-error-bg);
    border: 1px solid var(--color-error-border);
    color: var(--color-error-text);
    padding: 10px 14px;
    border-radius: 8px;
    font-size: 13px;
    margin-bottom: 18px;
}

.form-group {
    margin-bottom: 18px;
}

    .form-group > label {
        display: block;
        font-size: 13px;
        font-weight: 600;
        color: var(--color-text-medium);
        margin-bottom: 6px;
        letter-spacing: 0.1px;
    }

.form-group-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 6px;
}

    .form-group-header label {
        font-size: 13px;
        font-weight: 600;
        color: var(--color-text-medium);
        margin-bottom: 0;
    }

.forgot-link {
    font-size: 12px;
    color: var(--color-link);
    text-decoration: none;
    transition: color 0.2s ease;
    white-space: nowrap;
}

    .forgot-link:hover {
        color: var(--color-link-hover);
        text-decoration: underline;
    }


.form-group input[type="text"],
.form-group input[type="password"],
.form-group input[type="email"] {
    width: 100%;
    height: 48px; 
    padding: 0 14px;
    font-size: 15px; 
    font-family: inherit;
    border-radius: 8px;
    border: 1.5px solid var(--color-border-default);
    background: var(--color-input-bg);
    color: var(--color-text-dark);
    transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
   
    -webkit-text-size-adjust: 100%;
}

.form-group input::placeholder {
    color: var(--color-text-placeholder);
    font-size: 13.5px;
}

.form-group input:focus {
    outline: none;
    border-color: var(--color-border-focus);
    background: var(--color-input-bg-focus);
    box-shadow: 0 0 0 3px var(--color-primary-focus-ring);
}

.form-group input:hover:not(:focus) {
    border-color: var(--color-border-hover);
}

.validation {
    display: block;
    color: var(--color-validation-text);
    font-size: 12px;
    margin-top: 5px;
    padding-left: 2px;
}

.remember-me {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: -4px;
    margin-bottom: 22px;
    font-size: 13.5px;
    color: var(--color-text-medium);
}

    .remember-me input[type="checkbox"] {
        width: 18px;
        height: 18px;
        accent-color: var(--color-border-focus);
        cursor: pointer;
        flex-shrink: 0;
    }

    .remember-me label {
        cursor: pointer;
        user-select: none;
        margin-bottom: 0;
    }


.login-btn {
    width: 100%;
    height: 48px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-hover));
    border: none;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 700;
    font-family: inherit;
    color: var(--color-btn-text);
    cursor: pointer;
    letter-spacing: 0.2px;
    transition: background 0.2s ease, transform 0.15s ease, box-shadow 0.2s ease;
    box-shadow: var(--shadow-btn);
   
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
}

    .login-btn:hover {
        background: linear-gradient(135deg, var(--color-primary-hover), var(--color-primary-dark));
        box-shadow: var(--shadow-btn-hover);
        transform: translateY(-1px);
    }

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

    .login-btn:disabled {
        opacity: 0.6;
        cursor: not-allowed;
        transform: none;
    }

/* ─── TABLET & UP (600px+) ─── */

@media (min-width: 600px) {
    .login-card {
        padding: 44px 44px 40px; 
    }

        .login-card h2 {
            font-size: 24px;
        }

    .login-subtitle {
        font-size: 13.5px;
        margin-bottom: 32px;
    }

    .form-group input[type="text"],
    .form-group input[type="password"],
    .form-group input[type="email"] {
        height: 44px;
        font-size: 14px;
    }

    .login-btn {
        height: 44px;
        font-size: 15px;
    }
}