@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;600;700&display=swap');

:root {
    --primary-color: #0d47a1;
    --primary-hover: #0b3a8a;
    --accent-color: #f28a2f;
    --accent-hover: #e87a1e;
    --light-bg: #f4f7fa;      
    --white: #ffffff;
    --gray-text: #555;
    --border-color: #d1d9e4;
    --dark-text: #2c3e50;
    --error-bg: #f8d7da;
    --error-text: #721c24;
    --error-border: #f5c6cb;
}

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

html {
    height: 100%;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--light-bg);
    color: var(--dark-text);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 1rem;
}

.login-container {
    width: 100%;
    max-width: 420px;
    background-color: var(--white);
    padding: 2.5rem;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    text-align: center;
}

.login-header {
    margin-bottom: 2rem;
}

.login-logo {
    max-width: 200px;
    height: auto;
    margin-bottom: 1rem;
}

.login-header h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--dark-text);
    margin-bottom: 0.75rem;
}

.login-header p {
    font-size: 1rem;
    color: var(--gray-text);
}

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

.form-group label {
    display: block;
    font-weight: 600;
    color: var(--dark-text);
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

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

.input-wrapper svg {
    position: absolute;
    left: 1rem;
    width: 18px;
    height: 18px;
    color: #909db1;
    pointer-events: none;
}

.form-group input {
    width: 100%;
    padding: 0.9rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    font-family: 'Inter', sans-serif;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.input-wrapper input {
    padding-left: 3rem; 
}

.form-group input:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 4px rgba(242, 138, 47, 0.15);
}

.flash-message {
    padding: 1rem;
    border: 1px solid transparent;
    border-radius: 8px;
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
    text-align: left;
}

.flash-message.is-error {
    background-color: var(--error-bg);
    border-color: var(--error-border);
    color: var(--error-text);
}

.separator {
    display: flex;
    align-items: center;
    text-align: center;
    color: #909db1;
    margin: 1.5rem 0;
    font-size: 0.9rem;
    font-weight: 600;
}
.separator::before, .separator::after {
    content: '';
    flex: 1;
    border-bottom: 1px solid var(--border-color);
}
.separator:not(:empty)::before { margin-right: .75em; }
.separator:not(:empty)::after { margin-left: .75em; }

.btn {
    display: inline-block; width: 100%; padding: 0.9rem 1.5rem;
    border-radius: 8px; font-size: 1rem; font-weight: 700;
    cursor: pointer; text-align: center; text-decoration: none;
    border: 2px solid transparent;
    transition: all 0.2s ease-in-out;
}
.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.08);
}
.btn-primary { background-color: var(--accent-color); color: var(--white); }
.btn-primary:hover { background-color: var(--accent-hover); }
.btn-secondary { background-color: var(--primary-color); color: var(--white); border-color: var(--primary-color); }
.btn-secondary:hover { background-color: var(--primary-hover); border-color: var(--primary-hover); }

.login-container--wide {
    max-width: 720px;
    margin-top: 3rem;
    margin-bottom: 3rem;
}

.form-subtitle {
    text-align: center;
    color: var(--gray-text);
    margin-top: 0;
    margin-bottom: 2.5rem;
    line-height: 1.5;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.form-group--full-width {
    grid-column: 1 / -1;
}

@media (max-width: 768px) {
    .form-grid {
        grid-template-columns: 1fr;
    }
}


.form-group input[type="file"] {
    width: 0.1px; height: 0.1px; opacity: 0;
    overflow: hidden; position: absolute; z-index: -1;
}
.file-input-label {
    display: flex; justify-content: space-between; align-items: center;
    width: 100%; padding: 0.9rem 1rem; border: 1px solid var(--border-color);
    border-radius: 8px; font-size: 1rem; font-family: 'Inter', sans-serif;
    color: var(--gray-text); cursor: pointer;
    transition: border-color 0.2s, box-shadow 0.2s;
}
.form-group input[type="file"]:focus + .file-input-label {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 4px rgba(242, 138, 47, 0.15);
}
.file-input-label:hover { border-color: #a8b5c8; }
.file-input-button {
    background-color: #e9ecef; color: var(--dark-text); padding: 0.5rem 1rem;
    border-radius: 6px; font-weight: 600; white-space: nowrap; margin-left: 1rem;
}
.file-input-icon { margin-right: 0.75rem; color: #909db1; }

.form-group input[type="file"] {
    display: block;
    margin-top: 0.5rem;
    font-size: 0.9rem;
    color: var(--gray-text);
}

.file-upload-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-top: 0.5rem;
    grid-column: 1 / -1;
}

.file-upload-button {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border: 2px dashed var(--border-color);
    border-radius: 8px;
    padding: 1.5rem 1rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s ease-in-out;
    background-color: #f9fafb;
}
.file-upload-button:hover {
    border-color: var(--primary-color);
    background-color: #f3f4f6;
}

.file-upload-button .icon {
    width: 32px;
    height: 32px;
    color: var(--gray-text);
    margin-bottom: 0.5rem;
    display: block;
}

.file-upload-button .text {
    font-weight: 600;
    color: var(--dark-text);
    font-size: 0.9rem;
}

.file-upload-button.has-file {
    border-color: #16a34a;
    background-color: #f0fdf4;
    border-style: solid;
}
.file-upload-button.has-file .icon {
    display: none;
}
.file-upload-button.has-file .success-icon {
    display: block;
    color: #16a34a;
}
.file-upload-button.has-file .text {
    color: #16a34a;
}
.file-upload-button .success-icon {
    display: none;
}

.file-input-filename {
    display: block;
    font-size: 0.8rem;
    color: var(--gray-text);
    margin-top: 0.5rem;
    font-style: italic;
    text-align: center;
    word-break: break-all;
    height: 2.5em;
    line-height: 1.25em;
}

@media (max-width: 480px) {
    .file-upload-grid {
        grid-template-columns: 1fr;
    }
}

.file-input {
    width: 0.1px;
    height: 0.1px;
    opacity: 0;
    overflow: hidden;
    position: absolute;
    z-index: -1;
}