/* ===== LOGIN PAGE STYLES ===== */

.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 2rem 1rem;
    position: relative;
    overflow: hidden;
}

.login-page::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: drift 20s linear infinite;
}

@keyframes drift {
    from {
        transform: translate(0, 0);
    }
    to {
        transform: translate(50px, 50px);
    }
}

.login-container {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 440px;
}

.login-card {
    background: white;
    border-radius: 20px;
    padding: 3rem 2.5rem;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    animation: slideUp 0.5s ease;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== HEADER ===== */
.login-header {
    text-align: center;
    margin-bottom: 2.5rem;
}

.login-logo {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    margin-bottom: 1.5rem;
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.3);
}

.login-header h1 {
    font-size: 2rem;
    color: #2c3e50;
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.login-header p {
    color: #7f8c8d;
    font-size: 1rem;
}

/* ===== ERROR ALERT ===== */
.error-alert {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding: 1rem 1.2rem;
    background-color: #fee;
    border-left: 4px solid #e74c3c;
    border-radius: 8px;
    color: #c0392b;
    margin-bottom: 1.5rem;
    animation: shake 0.4s ease;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-10px); }
    75% { transform: translateX(10px); }
}

.error-alert svg {
    flex-shrink: 0;
}

/* ===== FORM ===== */
.login-form {
    margin-bottom: 2rem;
}

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

.form-group label {
    display: block;
    margin-bottom: 0.6rem;
    font-weight: 600;
    color: #2c3e50;
    font-size: 0.95rem;
}

.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.input-icon {
    position: absolute;
    left: 1rem;
    pointer-events: none;
}

.input-wrapper input {
    width: 100%;
    padding: 0.9rem 1rem 0.9rem 3rem;
    border: 2px solid #e0e0e0;
    border-radius: 10px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background-color: #f8f9fa;
}

.input-wrapper input:focus {
    outline: none;
    border-color: #667eea;
    background-color: white;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.toggle-password {
    position: absolute;
    right: 1rem;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.4rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    transition: background-color 0.3s;
}

.toggle-password:hover {
    background-color: #f0f0f0;
}

/* ===== FORM OPTIONS ===== */
.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.remember-me {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    font-size: 0.9rem;
    color: #2c3e50;
}

.remember-me input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.forgot-password-link {
    background: none;
    border: none;
    color: #667eea;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: color 0.3s;
}

.forgot-password-link:hover {
    color: #764ba2;
    text-decoration: underline;
}

/* ===== BUTTON ===== */
.btn-login {
    width: 100%;
    padding: 1rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 10px;
    font-size: 1.05rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.btn-login:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.5);
}

.btn-login:active:not(:disabled) {
    transform: translateY(0);
}

.btn-login:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.loading-spinner {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.loading-spinner svg {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

/* ===== FOOTER ===== */
.login-footer {
    text-align: center;
    padding-top: 1.5rem;
    border-top: 1px solid #e0e0e0;
}

.login-footer p {
    color: #7f8c8d;
    font-size: 0.9rem;
}

.login-footer a {
    color: #667eea;
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s;
}

.login-footer a:hover {
    color: #764ba2;
    text-decoration: underline;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .login-card {
        padding: 2.5rem 2rem;
    }

    .login-header h1 {
        font-size: 1.6rem;
    }

    .login-logo {
        width: 70px;
        height: 70px;
        margin-bottom: 1rem;
    }

    .form-options {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (max-width: 480px) {
    .login-page {
        padding: 1rem 0.5rem;
    }

    .login-card {
        padding: 2rem 1.5rem;
        border-radius: 15px;
    }

    .login-header h1 {
        font-size: 1.4rem;
    }

    .login-header p {
        font-size: 0.9rem;
    }

    .login-logo {
        width: 60px;
        height: 60px;
    }

    .input-wrapper input {
        padding: 0.8rem 1rem 0.8rem 2.8rem;
        font-size: 0.95rem;
    }

    .btn-login {
        padding: 0.9rem;
        font-size: 1rem;
    }
}