/* ================================================
   ระบบจัดเก็บเอกสารองค์กร - Main Stylesheet
   ================================================ */

/* ===== Global Styles ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #dc2626; /* แดง - ใช้สำหรับปุ่มหลักและ accent */
    --primary-dark: #b91c1c; /* แดงเข้ม - hover */
    --secondary-color: #1e40af; /* น้ำเงินเข้ม - ใช้สำหรับปุ่มรอง */
    --navy-blue: #1e3a8a; /* น้ำเงินเข้ม - ใช้สำหรับพื้นหลังและ text */
    --navy-blue-dark: #1e293b; /* น้ำเงินเข้มมาก */
    --success-color: #10b981;
    --danger-color: #dc2626;
    --warning-color: #f59e0b;
    --light-bg: #f8fafc;
    --white: #ffffff;
    --text-dark: #1e3a8a; /* เปลี่ยนเป็นน้ำเงินเข้ม */
    --text-light: #64748b;
    --border-color: #e2e8f0;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

body {
    font-family: 'Sarabun', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--light-bg);
}

/* ===== Login Page ===== */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #1e3a8a 0%, #1e40af 50%, #dc2626 100%);
    padding: 20px;
}

.login-container {
    width: 100%;
    max-width: 450px;
}

.login-box {
    background: var(--white);
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(220, 38, 38, 0.3), 0 0 0 1px rgba(30, 58, 138, 0.1);
    padding: 40px;
    animation: fadeIn 0.5s ease-in;
    border-top: 4px solid var(--primary-color);
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.login-header {
    text-align: center;
    margin-bottom: 40px;
}

.logo-container {
    margin-bottom: 20px;
}

.login-logo {
    max-width: 120px;
    max-height: 120px;
    width: auto;
    height: auto;
    object-fit: contain;
    border-radius: 8px;
}

.logo-icon {
    font-size: 64px;
    color: var(--primary-color);
}

.login-header h1 {
    font-size: 24px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.login-header p {
    font-size: 14px;
    color: var(--text-light);
    margin-bottom: 20px;
}

/* DateTime Display */
.datetime-display {
    display: flex;
    justify-content: center;
    gap: 24px;
    margin-top: 16px;
    padding: 12px;
    background: linear-gradient(135deg, #fef2f2 0%, #fee2e2 100%);
    border-radius: 8px;
    border: 1px solid #fecaca;
}

.date-display,
.time-display {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--navy-blue);
    font-weight: 600;
}

.date-display i,
.time-display i {
    color: var(--primary-color);
    font-size: 16px;
}

.date-display span,
.time-display span {
    font-weight: 500;
}

/* ===== Form Styles ===== */
.login-form {
    margin-bottom: 30px;
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.form-group label i {
    margin-right: 8px;
    color: var(--primary-color);
}

.form-control {
    width: 100%;
    padding: 12px 16px;
    font-size: 15px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    transition: all 0.3s;
    outline: none;
}

.form-control:focus {
    border-color: #1e40af;
    box-shadow: 0 0 0 3px rgba(30, 64, 175, 0.1);
}

.password-input {
    position: relative;
}

.password-input .form-control {
    padding-right: 50px;
}

.toggle-password {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-light);
    cursor: pointer;
    padding: 8px;
    transition: color 0.3s;
}

.toggle-password:hover {
    color: #dc2626;
}

.remember-me {
    display: flex;
    align-items: center;
}

.remember-me label {
    display: flex;
    align-items: center;
    cursor: pointer;
    margin: 0;
}

.remember-me input[type="checkbox"] {
    width: 18px;
    height: 18px;
    margin-right: 8px;
    cursor: pointer;
}

/* ===== Alert Styles ===== */
.alert {
    padding: 12px 16px;
    border-radius: 8px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    font-size: 14px;
}

.alert i {
    margin-right: 10px;
    font-size: 18px;
}

.alert-error {
    background-color: #fef2f2;
    color: var(--danger-color);
    border: 1px solid #fecaca;
}

.alert-success {
    background-color: #f0fdf4;
    color: var(--success-color);
    border: 1px solid #bbf7d0;
}

.alert-warning {
    background-color: #fffbeb;
    color: var(--warning-color);
    border: 1px solid #fde68a;
}

/* ===== Button Styles ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    font-size: 15px;
    font-weight: 500;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
    gap: 8px;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

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

.btn-primary:hover:not(:disabled) {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.btn-secondary {
    background-color: var(--secondary-color);
    color: var(--white);
}

.btn-secondary:hover:not(:disabled) {
    background-color: #1e3a8a;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(30, 64, 175, 0.3);
}

.btn-success {
    background-color: #10b981;
    color: var(--white);
}

.btn-success:hover:not(:disabled) {
    background-color: #059669;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

.btn-danger {
    background-color: var(--primary-color);
    color: var(--white);
}

.btn-danger:hover:not(:disabled) {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(220, 38, 38, 0.3);
}

.btn-warning {
    background-color: #f59e0b;
    color: var(--white);
}

.btn-warning:hover:not(:disabled) {
    background-color: #d97706;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(245, 158, 11, 0.3);
}

.btn-info {
    background-color: #1e40af;
    color: var(--white);
}

.btn-info:hover:not(:disabled) {
    background-color: #1e3a8a;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(30, 64, 175, 0.3);
}

.btn-login {
    width: 100%;
    padding: 14px;
    font-size: 16px;
}

/* ===== Login Form Enhancements ===== */
.login-form .form-control:focus {
    border-color: #dc2626 !important;
    box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.1) !important;
    outline: none !important;
}

.login-form .form-control:hover {
    border-color: #cbd5e1 !important;
}

.btn-login:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(220, 38, 38, 0.4) !important;
}

/* ===== Register Section ===== */
.register-section a.btn:hover {
    background: linear-gradient(135deg, #1e3a8a 0%, #172554 100%) !important;
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(30, 58, 138, 0.5) !important;
}

/* ===== Footer ===== */
.login-footer {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

.login-footer p {
    font-size: 13px;
    color: var(--navy-blue);
    margin: 5px 0;
    font-weight: 500;
}

.version {
    font-size: 12px;
}

/* ===== Loading Spinner ===== */
.spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: var(--white);
    animation: spin 0.6s linear infinite;
}

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

/* ===== Responsive ===== */
@media (max-width: 768px) {
    .login-container {
        padding: 20px;
    }

    .login-box {
        padding: 35px 28px;
        max-width: 100%;
    }

    .login-header h1 {
        font-size: 22px;
    }

    .login-header p {
        font-size: 13px;
    }

    .logo-icon {
        font-size: 52px;
    }
}

@media (max-width: 576px) {
    .login-box {
        padding: 30px 24px;
    }

    .login-header h1 {
        font-size: 20px;
    }

    .logo-icon {
        font-size: 48px;
    }

    .btn-login {
        font-size: 15px;
        padding: 12px;
    }

    .form-control {
        font-size: 15px;
        padding: 12px 14px;
    }

    .login-footer {
        font-size: 12px;
    }
}

/* ================================================
   Notification Animations
   ================================================ */
@keyframes slideIn {
    from {
        transform: translateX(400px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideOut {
    from {
        transform: translateX(0);
        opacity: 1;
    }
    to {
        transform: translateX(400px);
        opacity: 0;
    }
}
/* ===== Badge Styles ===== */
.badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 13px;
    font-weight: 500;
    color: white;
}

/* ===== Stat Card Colors ===== */
.stat-icon.blue {
    background: linear-gradient(135deg, #1e40af, #2563eb);
}

.stat-icon.green {
    background: linear-gradient(135deg, #10b981, #059669);
}

.stat-icon.orange {
    background: linear-gradient(135deg, #dc2626, #b91c1c);
}

.stat-icon.purple {
    background: linear-gradient(135deg, #1e3a8a, #1e40af);
}

.stat-icon.red {
    background: linear-gradient(135deg, #dc2626, #b91c1c);
}