:root {
    --primary: #00a8ff;
    --primary-hover: #0984e3;
    --secondary: #0f172a;
    --border: rgba(255, 255, 255, 0.2);
    --text-main: #ffffff;
    --text-light: #d1d5db;
    --error-bg: rgba(239, 68, 68, 0.2);
    --error-text: #fca5a5;
}

body {
    font-family: 'Inter', sans-serif;
    color: var(--text-main);
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    font-size: 14px;
    background-color: #0f172a;
}

.login-container {
    width: 100%;
    max-width: 400px;
    padding: 2rem;
}

.login-box {
    background: #1e293b;
    border-radius: 16px;
    padding: 2.5rem 2rem;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.logo {
    text-align: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: -0.5px;
    margin-bottom: 2rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--text-light);
}

input[type="text"],
input[type="password"] {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 0.95rem;
    font-family: 'Inter', sans-serif;
    color: var(--text-main);
    background-color: rgba(255, 255, 255, 0.05);
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
    box-sizing: border-box; /* Crucial for mobile */
}

input[type="text"]:focus,
input[type="password"]:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(0, 168, 255, 0.25);
}

/* Password show/hide toggle */
.password-wrap {
    position: relative;
}

.password-wrap input {
    padding-right: 3rem; /* room for the eye button */
}

.password-toggle {
    position: absolute;
    top: 50%;
    right: 0.5rem;
    transform: translateY(-50%);
    background: none;
    border: none;
    padding: 0.4rem;
    cursor: pointer;
    color: var(--text-light);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    transition: color 0.2s, background-color 0.2s;
}

.password-toggle:hover {
    color: var(--text-main);
    background-color: rgba(255, 255, 255, 0.08);
}

.password-toggle:focus {
    outline: none;
    color: var(--primary);
}

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

.btn-login:hover {
    background-color: var(--primary-hover);
}

/* Flash Messages */
.flash-messages {
    margin-bottom: 1.5rem;
}

.alert {
    padding: 1rem;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 1rem;
    text-align: center;
}

.alert-error {
    background-color: var(--error-bg);
    color: var(--error-text);
    border: 1px solid #fecaca;
}